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12575000750 = 253133869231
BaseRepresentation
bin10111011011000011…
…10100100010101110
31012110101002020002112
423231201310202232
5201223200011000
65435445524022
7623422512524
oct135541644256
935411066075
1012575000750
115373295204
12252b413612
131255319660
14874138314
154d8ea1235
hex2ed8748ae

12575000750 has 32 divisors (see below), whose sum is σ = 25351208064. Its totient is φ = 4643076000.

The previous prime is 12575000747. The next prime is 12575000761. The reversal of 12575000750 is 5700057521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1931366 + ... + 1937865.

It is an arithmetic number, because the mean of its divisors is an integer number (792225252).

Almost surely, 212575000750 is an apocalyptic number.

12575000750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12575000750 is an abundant number, since it is smaller than the sum of its proper divisors (12776207314).

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

12575000750 is a wasteful number, since it uses less digits than its factorization.

12575000750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869261 (or 3869251 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 32.

The spelling of 12575000750 in words is "twelve billion, five hundred seventy-five million, seven hundred fifty", and thus it is an aban number.

Divisors: 1 2 5 10 13 25 26 50 65 125 130 250 325 650 1625 3250 3869231 7738462 19346155 38692310 50300003 96730775 100600006 193461550 251500015 483653875 503000030 967307750 1257500075 2515000150 6287500375 12575000750