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23112012995 = 515733293803
BaseRepresentation
bin10101100001100101…
…010101010011000011
32012122201022220112022
4111201211111103003
5334313133403440
614341214352055
71445510604041
oct254145252303
965581286468
1023112012995
119890146495
1245901bb62b
13224434a846
141193729391
15904088cb5
hex5619554c3

23112012995 has 8 divisors (see below), whose sum is σ = 27736272816. Its totient is φ = 18488372256.

The previous prime is 23112012991. The next prime is 23112012997. The reversal of 23112012995 is 59921021132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23112012995 - 22 = 23112012991 is a prime.

It is a super-3 number, since 3×231120129953 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23112012991) 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, 68237 + ... + 225566.

It is an arithmetic number, because the mean of its divisors is an integer number (3467034102).

Almost surely, 223112012995 is an apocalyptic number.

23112012995 is a deficient number, since it is larger than the sum of its proper divisors (4624259821).

23112012995 is a wasteful number, since it uses less digits than its factorization.

23112012995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309541.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 23112012995 in words is "twenty-three billion, one hundred twelve million, twelve thousand, nine hundred ninety-five".

Divisors: 1 5 15733 78665 293803 1469015 4622402599 23112012995