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125670017 = 1127142157
BaseRepresentation
bin1110111110110…
…01001010000001
322202110200212002
413133121022001
5224132420032
620245313345
73054114614
oct737311201
9282420762
10125670017
1164a34820
1236105855
1320060975
141299417b
15b075862
hex77d9281

125670017 has 8 divisors (see below), whose sum is σ = 137603712. Its totient is φ = 113821200.

The previous prime is 125670007. The next prime is 125670029. The reversal of 125670017 is 710076521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125670017 - 210 = 125668993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125670007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18098 + ... + 24059.

It is an arithmetic number, because the mean of its divisors is an integer number (17200464).

Almost surely, 2125670017 is an apocalyptic number.

It is an amenable number.

125670017 is a deficient number, since it is larger than the sum of its proper divisors (11933695).

125670017 is a wasteful number, since it uses less digits than its factorization.

125670017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42439.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 125670017 is about 11210.2639130397. The cubic root of 125670017 is about 500.8917645664.

The spelling of 125670017 in words is "one hundred twenty-five million, six hundred seventy thousand, seventeen".

Divisors: 1 11 271 2981 42157 463727 11424547 125670017