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23480871995 = 57412399097
BaseRepresentation
bin10101110111100100…
…011010110000111011
32020121102101212221202
4111313210122300323
5341042100400440
614441552324415
71460610055520
oct256744326073
966542355852
1023480871995
119a5a381739
12467384370b
1322a28a79c9
1411ca705147
1592664a615
hex57791ac3b

23480871995 has 24 divisors (see below), whose sum is σ = 33007000992. Its totient is φ = 15708418560.

The previous prime is 23480871991. The next prime is 23480872033. The reversal of 23480871995 is 59917808432.

It is not a de Polignac number, because 23480871995 - 22 = 23480871991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23480871995.

It is not an unprimeable number, because it can be changed into a prime (23480871991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140714 + ... + 258383.

It is an arithmetic number, because the mean of its divisors is an integer number (1375291708).

Almost surely, 223480871995 is an apocalyptic number.

23480871995 is a deficient number, since it is larger than the sum of its proper divisors (9526128997).

23480871995 is an equidigital number, since it uses as much as digits as its factorization.

23480871995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399191 (or 399150 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 23480871995 in words is "twenty-three billion, four hundred eighty million, eight hundred seventy-one thousand, nine hundred ninety-five".

Divisors: 1 5 7 35 41 205 287 1435 1681 8405 11767 58835 399097 1995485 2793679 13968395 16362977 81814885 114540839 572704195 670882057 3354410285 4696174399 23480871995