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3051117680 = 245133722143
BaseRepresentation
bin1011010111011100…
…0101110001110000
321212122012211121112
42311313011301300
522222041231210
61222432012452
7135416033552
oct26567056160
97778184545
103051117680
111326304966
12711991128
133981715a0
1420d3114d2
1512ccded05
hexb5dc5c70

3051117680 has 120 divisors (see below), whose sum is σ = 7855247232. Its totient is φ = 1095607296.

The previous prime is 3051117661. The next prime is 3051117683. The reversal of 3051117680 is 867111503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3051117683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1422689 + ... + 1424831.

Almost surely, 23051117680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3051117680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3927623616).

3051117680 is an abundant number, since it is smaller than the sum of its proper divisors (4804129552).

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

3051117680 is a wasteful number, since it uses less digits than its factorization.

3051117680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 3051117680 is about 55236.9231583368. The cubic root of 3051117680 is about 1450.3950853644.

The spelling of 3051117680 in words is "three billion, fifty-one million, one hundred seventeen thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 37 40 52 65 74 80 104 130 148 185 208 260 296 370 481 520 592 740 962 1040 1369 1480 1924 2143 2405 2738 2960 3848 4286 4810 5476 6845 7696 8572 9620 10715 10952 13690 17144 17797 19240 21430 21904 27380 27859 34288 35594 38480 42860 54760 55718 71188 79291 85720 88985 109520 111436 139295 142376 158582 171440 177970 222872 278590 284752 317164 355940 396455 445744 557180 634328 711880 792910 1030783 1114360 1268656 1423760 1585820 2061566 2228720 2933767 3171640 4123132 5153915 5867534 6343280 8246264 10307830 11735068 14668835 16492528 20615660 23470136 29337670 38138971 41231320 46940272 58675340 76277942 82462640 117350680 152555884 190694855 234701360 305111768 381389710 610223536 762779420 1525558840 3051117680