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30680699074372 = 2273124984124009
BaseRepresentation
bin1101111100111011010000…
…01010110111011101000100
311000122001020200002112201201
412332131220022313131010
513010133032430334442
6145130304002432244
76314415216143434
oct676355012673504
9130561220075651
1030680699074372
11985967a868646
123536160062684
13141723cca8529
14780d4d1822c4
1538311e6a37b7
hex1be7682b7744

30680699074372 has 24 divisors (see below), whose sum is σ = 54470296475000. Its totient is φ = 15118093725696.

The previous prime is 30680699074349. The next prime is 30680699074379. The reversal of 30680699074372 is 27347099608603.

It can be written as a sum of positive squares in 4 ways, for example, as 5092721970436 + 25587977103936 = 2256706^2 + 5058456^2 .

It is not an unprimeable number, because it can be changed into a prime (30680699074379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41697297 + ... + 42426712.

Almost surely, 230680699074372 is an apocalyptic number.

It is an amenable number.

30680699074372 is a deficient number, since it is larger than the sum of its proper divisors (23789597400628).

30680699074372 is a wasteful number, since it uses less digits than its factorization.

30680699074372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84125335 (or 84125333 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 64.

The spelling of 30680699074372 in words is "thirty trillion, six hundred eighty billion, six hundred ninety-nine million, seventy-four thousand, three hundred seventy-two".

Divisors: 1 2 4 73 146 292 1249 2498 4996 91177 182354 364708 84124009 168248018 336496036 6141052657 12282105314 24564210628 105070887241 210141774482 420283548964 7670174768593 15340349537186 30680699074372