Base | Representation |
---|---|
bin | 1110100110100… |
… | …10000010011010 |
3 | 22112111101201200 |
4 | 13103102002122 |
5 | 222324321010 |
6 | 20053255030 |
7 | 3015122442 |
oct | 723220232 |
9 | 275441650 |
10 | 122495130 |
11 | 6316644a |
12 | 35034476 |
13 | 1c4bb834 |
14 | 123a9122 |
15 | ab49cc0 |
hex | 74d209a |
122495130 has 48 divisors (see below), whose sum is σ = 329476680. Its totient is φ = 31538304.
The previous prime is 122495111. The next prime is 122495141. The reversal of 122495130 is 31594221.
It can be written as a sum of positive squares in 4 ways, for example, as 65658609 + 56836521 = 8103^2 + 7539^2 .
It is a junction number, because it is equal to n+sod(n) for n = 122495094 and 122495103.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20857 + ... + 26076.
Almost surely, 2122495130 is an apocalyptic number.
122495130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122495130 is an abundant number, since it is smaller than the sum of its proper divisors (206981550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122495130 is a wasteful number, since it uses less digits than its factorization.
122495130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46975 (or 46972 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 122495130 is about 11067.7518042284. The cubic root of 122495130 is about 496.6376127222.
Subtracting from 122495130 its reverse (31594221), we obtain a palindrome (90900909).
The spelling of 122495130 in words is "one hundred twenty-two million, four hundred ninety-five thousand, one hundred thirty".
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