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29764988928 = 21232807427
BaseRepresentation
bin11011101110001000…
…011011000000000000
32211211101002002210100
4123232020123000000
5441424314121203
621401315002400
72102414142243
oct335610330000
984741062710
1029764988928
1111694618804
125928299400
132a6479ccac
14162515125a
15b931a5ea3
hex6ee21b000

29764988928 has 78 divisors (see below), whose sum is σ = 85977355724. Its totient is φ = 9921650688.

The previous prime is 29764988921. The next prime is 29764988933. The reversal of 29764988928 is 82988946792.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (29764988921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 366850 + ... + 440577.

Almost surely, 229764988928 is an apocalyptic number.

It is an amenable number.

29764988928 is an abundant number, since it is smaller than the sum of its proper divisors (56212366796).

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

29764988928 is an equidigital number, since it uses as much as digits as its factorization.

29764988928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807457 (or 807432 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 72.

The spelling of 29764988928 in words is "twenty-nine billion, seven hundred sixty-four million, nine hundred eighty-eight thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 4096 4608 6144 9216 12288 18432 36864 807427 1614854 2422281 3229708 4844562 6459416 7266843 9689124 12918832 14533686 19378248 25837664 29067372 38756496 51675328 58134744 77512992 103350656 116269488 155025984 206701312 232538976 310051968 413402624 465077952 620103936 826805248 930155904 1240207872 1653610496 1860311808 2480415744 3307220992 3720623616 4960831488 7441247232 9921662976 14882494464 29764988928