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125116863 = 341705621
BaseRepresentation
bin1110111010100…
…10000110111111
322201102121001220
413131102012333
5224012214423
620225404423
73046322124
oct735220677
9281377056
10125116863
1164697173
1235a99713
131cbc8c61
141288c74b
15aeb69e3
hex77521bf

125116863 has 4 divisors (see below), whose sum is σ = 166822488. Its totient is φ = 83411240.

The previous prime is 125116861. The next prime is 125116879. The reversal of 125116863 is 368611521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368611521 = 3122870507.

It is a cyclic number.

It is not a de Polignac number, because 125116863 - 21 = 125116861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125116861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20852808 + ... + 20852813.

It is an arithmetic number, because the mean of its divisors is an integer number (41705622).

Almost surely, 2125116863 is an apocalyptic number.

125116863 is a deficient number, since it is larger than the sum of its proper divisors (41705625).

125116863 is an equidigital number, since it uses as much as digits as its factorization.

125116863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41705624.

The product of its digits is 8640, while the sum is 33.

The square root of 125116863 is about 11185.5649387950. The cubic root of 125116863 is about 500.1557688005.

The spelling of 125116863 in words is "one hundred twenty-five million, one hundred sixteen thousand, eight hundred sixty-three".

Divisors: 1 3 41705621 125116863