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23930541064 = 232991317633
BaseRepresentation
bin10110010010010111…
…110001010000001000
32021202202112102221201
4112102113301100020
5343002204303224
614554334313544
71505010146203
oct262227612010
967682472851
1023930541064
11a170191771
12477a3588b4
132344ab9b91
14123031893a
15950d70a44
hex5925f1408

23930541064 has 8 divisors (see below), whose sum is σ = 44869764510. Its totient is φ = 11965270528.

The previous prime is 23930541049. The next prime is 23930541067. The reversal of 23930541064 is 46014503932.

It can be written as a sum of positive squares in only one way, i.e., 14554492164 + 9376048900 = 120642^2 + 96830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23930541067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495658809 + ... + 1495658824.

Almost surely, 223930541064 is an apocalyptic number.

It is an amenable number.

23930541064 is a deficient number, since it is larger than the sum of its proper divisors (20939223446).

23930541064 is a wasteful number, since it uses less digits than its factorization.

23930541064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991317639 (or 2991317635 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 23930541064 in words is "twenty-three billion, nine hundred thirty million, five hundred forty-one thousand, sixty-four".

Divisors: 1 2 4 8 2991317633 5982635266 11965270532 23930541064