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23890745604 = 22311180990497
BaseRepresentation
bin10110001111111111…
…111101100100000100
32021122222122121211210
4112033333331210010
5342412012324404
614550353331420
71504014662355
oct261777754404
967588577753
1023890745604
11a14a780860
124768b66b70
13233979547b
141228d19d2c
1594c60e689
hex58fffd904

23890745604 has 24 divisors (see below), whose sum is σ = 60812807328. Its totient is φ = 7239619840.

The previous prime is 23890745581. The next prime is 23890745611. The reversal of 23890745604 is 40654709832.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90495117 + ... + 90495380.

It is an arithmetic number, because the mean of its divisors is an integer number (2533866972).

Almost surely, 223890745604 is an apocalyptic number.

It is an amenable number.

23890745604 is an abundant number, since it is smaller than the sum of its proper divisors (36922061724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23890745604 is a wasteful number, since it uses less digits than its factorization.

23890745604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180990515 (or 180990513 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 23890745604 in words is "twenty-three billion, eight hundred ninety million, seven hundred forty-five thousand, six hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 180990497 361980994 542971491 723961988 1085942982 1990895467 2171885964 3981790934 5972686401 7963581868 11945372802 23890745604