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23970269979 = 341132618843
BaseRepresentation
bin10110010100101111…
…010100101100011011
32021212112021212210000
4112110233110230123
5343042342114404
615002314024043
71506001635015
oct262457245433
967775255700
1023970269979
11a190657687
12478b718023
1323500ba206
1412356db1b5
159545bc339
hex594bd4b1b

23970269979 has 20 divisors (see below), whose sum is σ = 36124334136. Its totient is φ = 15838756416.

The previous prime is 23970269969. The next prime is 23970270001. The reversal of 23970269979 is 97996207932.

23970269979 is a `hidden beast` number, since 239 + 70 + 269 + 9 + 79 = 666.

It is not a de Polignac number, because 23970269979 - 213 = 23970261787 is a prime.

It is a super-2 number, since 2×239702699792 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23970269969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1300269 + ... + 1318574.

Almost surely, 223970269979 is an apocalyptic number.

23970269979 is a deficient number, since it is larger than the sum of its proper divisors (12154064157).

23970269979 is a wasteful number, since it uses less digits than its factorization.

23970269979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618968 (or 2618959 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 63.

The spelling of 23970269979 in words is "twenty-three billion, nine hundred seventy million, two hundred sixty-nine thousand, nine hundred seventy-nine".

Divisors: 1 3 9 27 81 113 339 1017 3051 9153 2618843 7856529 23569587 70708761 212126283 295929259 887787777 2663363331 7990089993 23970269979