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125130379 = 1111375489
BaseRepresentation
bin1110111010101…
…01011010001011
322201110021121111
413131111122023
5224013133004
620225551151
73046406413
oct735253213
9281407544
10125130379
11646a6340
1235aa54b7
131cc0215a
1412893643
15aebaa04
hex775568b

125130379 has 4 divisors (see below), whose sum is σ = 136505880. Its totient is φ = 113754880.

The previous prime is 125130377. The next prime is 125130407. The reversal of 125130379 is 973031521.

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 125130379 - 21 = 125130377 is a prime.

It is a super-2 number, since 2×1251303792 = 31315223497367282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125130379.

It is not an unprimeable number, because it can be changed into a prime (125130377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5687734 + ... + 5687755.

It is an arithmetic number, because the mean of its divisors is an integer number (34126470).

Almost surely, 2125130379 is an apocalyptic number.

125130379 is a deficient number, since it is larger than the sum of its proper divisors (11375501).

125130379 is a wasteful number, since it uses less digits than its factorization.

125130379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375500.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 125130379 is about 11186.1690940196. The cubic root of 125130379 is about 500.1737782619.

The spelling of 125130379 in words is "one hundred twenty-five million, one hundred thirty thousand, three hundred seventy-nine".

Divisors: 1 11 11375489 125130379