Base | Representation |
---|---|
bin | 1110100011110… |
… | …00111111011000 |
3 | 22111210212101212 |
4 | 13101320333120 |
5 | 222231133032 |
6 | 20041402252 |
7 | 3012043166 |
oct | 721707730 |
9 | 274725355 |
10 | 122130392 |
11 | 62a3740a |
12 | 34a99388 |
13 | 1c3c1807 |
14 | 12312236 |
15 | aac6bb2 |
hex | 7478fd8 |
122130392 has 8 divisors (see below), whose sum is σ = 228994500. Its totient is φ = 61065192.
The previous prime is 122130373. The next prime is 122130403. The reversal of 122130392 is 293031221.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7633142 + ... + 7633157.
Almost surely, 2122130392 is an apocalyptic number.
It is an amenable number.
122130392 is a deficient number, since it is larger than the sum of its proper divisors (106864108).
122130392 is a wasteful number, since it uses less digits than its factorization.
122130392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15266305 (or 15266301 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 122130392 is about 11051.2620093816. The cubic root of 122130392 is about 496.1441980155.
It can be divided in two parts, 1221 and 30392, that added together give a palindrome (31613).
The spelling of 122130392 in words is "one hundred twenty-two million, one hundred thirty thousand, three hundred ninety-two".
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