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388125305923 = 2316875013301
BaseRepresentation
bin1011010010111100001…
…00100010110001000011
31101002211010020102001111
411221132010202301003
522324340034242143
6454145144144151
740020051444445
oct5513604426103
91332733212044
10388125305923
1113a66a686a43
126327a468057
132a7a543a844
1414add082495
15a16917a99d
hex5a5e122c43

388125305923 has 4 divisors (see below), whose sum is σ = 405000319248. Its totient is φ = 371250292600.

The previous prime is 388125305891. The next prime is 388125305959. The reversal of 388125305923 is 329503521883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 388125305923 - 25 = 388125305891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388125305983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8437506628 + ... + 8437506673.

It is an arithmetic number, because the mean of its divisors is an integer number (101250079812).

Almost surely, 2388125305923 is an apocalyptic number.

388125305923 is a deficient number, since it is larger than the sum of its proper divisors (16875013325).

388125305923 is a wasteful number, since it uses less digits than its factorization.

388125305923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16875013324.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 388125305923 in words is "three hundred eighty-eight billion, one hundred twenty-five million, three hundred five thousand, nine hundred twenty-three".

Divisors: 1 23 16875013301 388125305923