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31037796141240 = 23357191944724069
BaseRepresentation
bin1110000111010100011001…
…10100000100100010111000
311001220011222101020002121010
413003222030310010202320
513032010401303004430
6150002322224113520
76352256344135650
oct703521464044270
9131804871202533
1031037796141240
11998706784a309
1235933bb1658a0
131441b0c0074b5
147943473db360
1538c56e7e6cb0
hex1c3a8cd048b8

31037796141240 has 128 divisors (see below), whose sum is σ = 112016106432000. Its totient is φ = 6720966379008.

The previous prime is 31037796141229. The next prime is 31037796141277. The reversal of 31037796141240 is 4214169773013.

It is a self number, because there is not a number n which added to its sum of digits gives 31037796141240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 972346075 + ... + 972377994.

It is an arithmetic number, because the mean of its divisors is an integer number (875125831500).

Almost surely, 231037796141240 is an apocalyptic number.

31037796141240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31037796141240 is an abundant number, since it is smaller than the sum of its proper divisors (80978310290760).

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

31037796141240 is a wasteful number, since it uses less digits than its factorization.

31037796141240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944724109 (or 1944724105 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 31037796141240 in words is "thirty-one trillion, thirty-seven billion, seven hundred ninety-six million, one hundred forty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 30 35 38 40 42 56 57 60 70 76 84 95 105 114 120 133 140 152 168 190 210 228 266 280 285 380 399 420 456 532 570 665 760 798 840 1064 1140 1330 1596 1995 2280 2660 3192 3990 5320 7980 15960 1944724069 3889448138 5834172207 7778896276 9723620345 11668344414 13613068483 15557792552 19447240690 23336688828 27226136966 29170861035 36949757311 38894481380 40839205449 46673377656 54452273932 58341722070 68065342415 73899514622 77788962760 81678410898 108904547864 110849271933 116683444140 136130684830 147799029244 163356821796 184748786555 204196027245 221698543866 233366888280 258648301177 272261369660 295598058488 326713643592 369497573110 408392054490 443397087732 517296602354 544522739320 554246359665 738995146220 775944903531 816784108980 886794175464 1034593204708 1108492719330 1293241505885 1477990292440 1551889807062 1633568217960 2069186409416 2216985438660 2586483011770 3103779614124 3879724517655 4433970877320 5172966023540 6207559228248 7759449035310 10345932047080 15518898070620 31037796141240