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125137570 = 2510721093
BaseRepresentation
bin1110111010101…
…11001010100010
322201110122110211
413131113022202
5224013400240
620230044334
73046436365
oct735271242
9281418424
10125137570
1164700788
1235aa96aa
131cc054cc
14128960dc
15aebcbea
hex77572a2

125137570 has 24 divisors (see below), whose sum is σ = 227580444. Its totient is φ = 49541856.

The previous prime is 125137567. The next prime is 125137577. The reversal of 125137570 is 75731521.

125137570 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 116791249 + 8346321 = 10807^2 + 2889^2 .

It is a super-2 number, since 2×1251375702 = 31318822851009800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125137577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113944 + ... + 115036.

Almost surely, 2125137570 is an apocalyptic number.

125137570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125137570 is a deficient number, since it is larger than the sum of its proper divisors (102442874).

125137570 is a wasteful number, since it uses less digits than its factorization.

125137570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 125137570 is about 11186.4905131145. The cubic root of 125137570 is about 500.1833594171.

The spelling of 125137570 in words is "one hundred twenty-five million, one hundred thirty-seven thousand, five hundred seventy".

Divisors: 1 2 5 10 107 214 535 1070 1093 2186 5465 10930 11449 22898 57245 114490 116951 233902 584755 1169510 12513757 25027514 62568785 125137570