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125981752008 = 2337749891381
BaseRepresentation
bin111010101010100011…
…0001111101011001000
3110001011212220002122010
41311111012033223020
54031002312031013
6133513014055520
712046642136430
oct1652506175310
9401155802563
10125981752008
1149479461a22
12204bb04a5a0
13bb595642b8
1461519652c0
1534251d67c3
hex1d5518fac8

125981752008 has 32 divisors (see below), whose sum is σ = 359947863360. Its totient is φ = 35994786240.

The previous prime is 125981751989. The next prime is 125981752021. The reversal of 125981752008 is 800257189521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374945523 + ... + 374945858.

It is an arithmetic number, because the mean of its divisors is an integer number (11248370730).

Almost surely, 2125981752008 is an apocalyptic number.

It is an amenable number.

125981752008 is an abundant number, since it is smaller than the sum of its proper divisors (233966111352).

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

125981752008 is a wasteful number, since it uses less digits than its factorization.

125981752008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749891397 (or 749891393 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 48.

The spelling of 125981752008 in words is "one hundred twenty-five billion, nine hundred eighty-one million, seven hundred fifty-two thousand, eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 749891381 1499782762 2249674143 2999565524 4499348286 5249239667 5999131048 8998696572 10498479334 15747719001 17997393144 20996958668 31495438002 41993917336 62990876004 125981752008