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125011872 = 25321632663
BaseRepresentation
bin1110111001110…
…00011110100000
322201020021001100
413130320132200
5224000334442
620223234400
73045404046
oct734703640
9281207040
10125011872
11646252a7
1235a48a00
131cb9022b
1412862396
15ae9584c
hex77387a0

125011872 has 72 divisors (see below), whose sum is σ = 357817824. Its totient is φ = 41399424.

The previous prime is 125011853. The next prime is 125011919. The reversal of 125011872 is 278110521.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45613 + ... + 48275.

It is an arithmetic number, because the mean of its divisors is an integer number (4969692).

Almost surely, 2125011872 is an apocalyptic number.

125011872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125011872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178908912).

125011872 is an abundant number, since it is smaller than the sum of its proper divisors (232805952).

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

125011872 is a wasteful number, since it uses less digits than its factorization.

125011872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 125011872 is about 11180.8708068737. The cubic root of 125011872 is about 500.0158288322.

The spelling of 125011872 in words is "one hundred twenty-five million, eleven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 163 288 326 489 652 978 1304 1467 1956 2608 2663 2934 3912 5216 5326 5868 7824 7989 10652 11736 15648 15978 21304 23472 23967 31956 42608 46944 47934 63912 85216 95868 127824 191736 255648 383472 434069 766944 868138 1302207 1736276 2604414 3472552 3906621 5208828 6945104 7813242 10417656 13890208 15626484 20835312 31252968 41670624 62505936 125011872