Base | Representation |
---|---|
bin | 111010001101110010… |
… | …1111001001101101011 |
3 | 102221200122111002122112 |
4 | 1310123211321031223 |
5 | 4022013321020331 |
6 | 133233151312535 |
7 | 12014015466236 |
oct | 1643345711553 |
9 | 387618432575 |
10 | 125016970091 |
11 | 49023902aa2 |
12 | 2028bb1b74b |
13 | ba34708220 |
14 | 609d78441d |
15 | 33ba66032b |
hex | 1d1b97936b |
125016970091 has 8 divisors (see below), whose sum is σ = 134636471424. Its totient is φ = 115397870400.
The previous prime is 125016970069. The next prime is 125016970129. The reversal of 125016970091 is 190079610521.
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 125016970091 - 214 = 125016953707 is a prime.
It is not an unprimeable number, because it can be changed into a prime (125016970291) 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, 964166 + ... + 1086116.
It is an arithmetic number, because the mean of its divisors is an integer number (16829558928).
Almost surely, 2125016970091 is an apocalyptic number.
125016970091 is a deficient number, since it is larger than the sum of its proper divisors (9619501333).
125016970091 is a wasteful number, since it uses less digits than its factorization.
125016970091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200821.
The product of its (nonzero) digits is 34020, while the sum is 41.
The spelling of 125016970091 in words is "one hundred twenty-five billion, sixteen million, nine hundred seventy thousand, ninety-one".
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