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30515303945392 = 247243988661917
BaseRepresentation
bin1101111000000111001011…
…10110100001010010110000
311000001020022222222110002221
412330003211312201102300
512444430320302223032
6144522312003050424
76266441451556300
oct674034566412260
9130036288873087
1030515303945392
1197a55165aa202
12350a0a1670a14
1314047720858c6
14776d3cd13600
1537db8e25e597
hex1bc0e5da14b0

30515303945392 has 60 divisors (see below), whose sum is σ = 68932868006640. Its totient is φ = 13048196853888.

The previous prime is 30515303945381. The next prime is 30515303945417. The reversal of 30515303945392 is 29354930351503.

It is a super-2 number, since 2×305153039453922 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43986783 + ... + 44675134.

It is an arithmetic number, because the mean of its divisors is an integer number (1148881133444).

Almost surely, 230515303945392 is an apocalyptic number.

It is an amenable number.

30515303945392 is an abundant number, since it is smaller than the sum of its proper divisors (38417564061248).

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

30515303945392 is a wasteful number, since it uses less digits than its factorization.

30515303945392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88662378 (or 88662365 counting only the distinct ones).

The product of its (nonzero) digits is 6561000, while the sum is 52.

The spelling of 30515303945392 in words is "thirty trillion, five hundred fifteen billion, three hundred three million, nine hundred forty-five thousand, three hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 439 784 878 1756 3073 3512 6146 7024 12292 21511 24584 43022 49168 86044 172088 344176 88661917 177323834 354647668 620633419 709295336 1241266838 1418590672 2482533676 4344433933 4965067352 8688867866 9930134704 17377735732 34755471464 38922581563 69510942928 77845163126 155690326252 272458070941 311380652504 544916141882 622761305008 1089832283764 1907206496587 2179664567528 3814412993174 4359329135056 7628825986348 15257651972696 30515303945392