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23028325987 = 171369398927
BaseRepresentation
bin10101011100100110…
…000101111001100011
32012102212212011112111
4111130212011321203
5334130222412422
614325024540151
71443443353432
oct253446057143
965385764474
1023028325987
119847987177
124568181657
13222cbc91c4
141186583119
158eba57a77
hex55c985e63

23028325987 has 8 divisors (see below), whose sum is σ = 24384960576. Its totient is φ = 21671916672.

The previous prime is 23028325951. The next prime is 23028325997. The reversal of 23028325987 is 78952382032.

It is a happy number.

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 23028325987 - 211 = 23028323939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23028325987.

It is not an unprimeable number, because it can be changed into a prime (23028325997) 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, 183318 + ... + 282244.

It is an arithmetic number, because the mean of its divisors is an integer number (3048120072).

Almost surely, 223028325987 is an apocalyptic number.

23028325987 is a deficient number, since it is larger than the sum of its proper divisors (1356634589).

23028325987 is a wasteful number, since it uses less digits than its factorization.

23028325987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112637.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 23028325987 in words is "twenty-three billion, twenty-eight million, three hundred twenty-five thousand, nine hundred eighty-seven".

Divisors: 1 17 13693 98927 232781 1681759 1354607411 23028325987