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3131841676140 = 22325531372396243
BaseRepresentation
bin101101100100110000010…
…011111000001101101100
3102002101211102122100210100
4231210300103320031230
5402303002432114030
610354425340111100
7442160646004452
oct55446023701554
912071742570710
103131841676140
11aa822aa85401
12426b7b535490
13199440127218
14ab820c069d2
15566ee0e4360
hex2d9304f836c

3131841676140 has 144 divisors (see below), whose sum is σ = 9749818417248. Its totient is φ = 813418724352.

The previous prime is 3131841676123. The next prime is 3131841676141. The reversal of 3131841676140 is 416761481313.

It is a happy number.

3131841676140 is a `hidden beast` number, since 3 + 1 + 3 + 18 + 4 + 16 + 7 + 614 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3131841676141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108859 + ... + 2505101.

It is an arithmetic number, because the mean of its divisors is an integer number (67707072342).

Almost surely, 23131841676140 is an apocalyptic number.

3131841676140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131841676140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4874909208624).

3131841676140 is an abundant number, since it is smaller than the sum of its proper divisors (6617976741108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131841676140 is a wasteful number, since it uses less digits than its factorization.

3131841676140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396448 (or 2396443 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 3131841676140 in words is "three trillion, one hundred thirty-one billion, eight hundred forty-one million, six hundred seventy-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 53 60 90 106 137 159 180 212 265 274 318 411 477 530 548 636 685 795 822 954 1060 1233 1370 1590 1644 1908 2055 2385 2466 2740 3180 4110 4770 4932 6165 7261 8220 9540 12330 14522 21783 24660 29044 36305 43566 65349 72610 87132 108915 130698 145220 217830 261396 326745 435660 653490 1306980 2396243 4792486 7188729 9584972 11981215 14377458 21566187 23962430 28754916 35943645 43132374 47924860 71887290 86264748 107830935 127000879 143774580 215661870 254001758 328285291 381002637 431323740 508003516 635004395 656570582 762005274 984855873 1143007911 1270008790 1313141164 1524010548 1641426455 1905013185 1969711746 2286015822 2540017580 2954567619 3282852910 3810026370 3939423492 4572031644 4924279365 5715039555 5909135238 6565705820 7620052740 9848558730 11430079110 11818270476 14772838095 17399120423 19697117460 22860158220 29545676190 34798240846 52197361269 59091352380 69596481692 86995602115 104394722538 156592083807 173991204230 208789445076 260986806345 313184167614 347982408460 521973612690 626368335228 782960419035 1043947225380 1565920838070 3131841676140