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74928655290340 = 22542120114425107
BaseRepresentation
bin10001000010010110101111…
…111000011100111111100100
3100211022002221211002010110201
4101002112233320130333210
534310112341223242330
6423205425443200244
721532262633253205
oct2102265770347744
9324262854063421
1074928655290340
1121969078586315
1284a1813076084
1332a6984b93227
1414707cdb975ac
1589e0eda33eca
hex4425afe1cfe4

74928655290340 has 48 divisors (see below), whose sum is σ = 157802395754304. Its totient is φ = 29885395881600.

The previous prime is 74928655290329. The next prime is 74928655290373. The reversal of 74928655290340 is 4309255682947.

It is a super-2 number, since 2×749286552903402 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14720067 + ... + 19145173.

It is an arithmetic number, because the mean of its divisors is an integer number (3287549911548).

Almost surely, 274928655290340 is an apocalyptic number.

It is an amenable number.

74928655290340 is an abundant number, since it is smaller than the sum of its proper divisors (82873740463964).

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

74928655290340 is a wasteful number, since it uses less digits than its factorization.

74928655290340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427548 (or 4427546 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 74928655290340 in words is "seventy-four trillion, nine hundred twenty-eight billion, six hundred fifty-five million, two hundred ninety thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 421 842 1684 2011 2105 4022 4210 8044 8420 10055 20110 40220 846631 1693262 3386524 4233155 4425107 8466310 8850214 16932620 17700428 22125535 44251070 88502140 1862970047 3725940094 7451880188 8898890177 9314850235 17797780354 18629700470 35595560708 37259400940 44494450885 88988901770 177977803540 3746432764517 7492865529034 14985731058068 18732163822585 37464327645170 74928655290340