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23968078897 = 713747952177
BaseRepresentation
bin10110010100100110…
…111101110000110001
32021212101011120011211
4112110212331300301
5343041312011042
615002155040121
71505644211020
oct262446756061
967771146154
1023968078897
11a18a3a0474
12478aa40041
13234c800b09
1412352ca8b7
159542d8017
hex5949bdc31

23968078897 has 16 divisors (see below), whose sum is σ = 27650165760. Its totient is φ = 20351144448.

The previous prime is 23968078889. The next prime is 23968078933. The reversal of 23968078897 is 79887086932.

It is a cyclic number.

It is not a de Polignac number, because 23968078897 - 23 = 23968078889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23968078807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433273 + ... + 485449.

It is an arithmetic number, because the mean of its divisors is an integer number (1728135360).

Almost surely, 223968078897 is an apocalyptic number.

It is an amenable number.

23968078897 is a deficient number, since it is larger than the sum of its proper divisors (3682086863).

23968078897 is a wasteful number, since it uses less digits than its factorization.

23968078897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52800.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 23968078897 in words is "twenty-three billion, nine hundred sixty-eight million, seventy-eight thousand, eight hundred ninety-seven".

Divisors: 1 7 137 479 959 3353 52177 65623 365239 459361 7148249 24992783 50037743 174949481 3424011271 23968078897