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29570368968 = 233272317914251
BaseRepresentation
bin11011100010100010…
…000000010111001000
32211022210212101101200
4123202202000113020
5441030003301333
621330123344200
72064531663150
oct334242002710
984283771350
1029570368968
11115a477a968
125893082060
132a3337a75a
14160736d760
15b81060c13
hex6e28805c8

29570368968 has 192 divisors, whose sum is σ = 96047078400. Its totient is φ = 8035632000.

The previous prime is 29570368903. The next prime is 29570368979. The reversal of 29570368968 is 86986307592.

29570368968 is a `hidden beast` number, since 29 + 570 + 36 + 8 + 9 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2067843 + ... + 2082093.

It is an arithmetic number, because the mean of its divisors is an integer number (500245200).

Almost surely, 229570368968 is an apocalyptic number.

29570368968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29570368968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48023539200).

29570368968 is an abundant number, since it is smaller than the sum of its proper divisors (66476709432).

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

29570368968 is a wasteful number, since it uses less digits than its factorization.

29570368968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14472 (or 14465 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 29570368968 in words is "twenty-nine billion, five hundred seventy million, three hundred sixty-eight thousand, nine hundred sixty-eight".