Base | Representation |
---|---|
bin | 1110100111111… |
… | …00111100011000 |
3 | 22112211022210122 |
4 | 13103330330120 |
5 | 222400431442 |
6 | 20101132412 |
7 | 3016454012 |
oct | 723747430 |
9 | 275738718 |
10 | 122670872 |
11 | 63276495 |
12 | 350ba108 |
13 | 1c55081c |
14 | 124131b2 |
15 | ab81dd2 |
hex | 74fcf18 |
122670872 has 16 divisors (see below), whose sum is σ = 230188560. Its totient is φ = 61287264.
The previous prime is 122670871. The next prime is 122670881. The reversal of 122670872 is 278076221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122670871) 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, 6278 + ... + 16874.
It is an arithmetic number, because the mean of its divisors is an integer number (14386785).
Almost surely, 2122670872 is an apocalyptic number.
It is an amenable number.
122670872 is a deficient number, since it is larger than the sum of its proper divisors (107517688).
122670872 is a wasteful number, since it uses less digits than its factorization.
122670872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12050 (or 12046 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 35.
The square root of 122670872 is about 11075.6883307540. The cubic root of 122670872 is about 496.8750055087.
The spelling of 122670872 in words is "one hundred twenty-two million, six hundred seventy thousand, eight hundred seventy-two".
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