Base | Representation |
---|---|
bin | 1110100011111… |
… | …10010011000010 |
3 | 22111211222012222 |
4 | 13101332103002 |
5 | 222232332010 |
6 | 20042051042 |
7 | 3012163442 |
oct | 721762302 |
9 | 274758188 |
10 | 122152130 |
11 | 62a51781 |
12 | 34aa9a82 |
13 | 1c3cb689 |
14 | 1231a122 |
15 | aacd355 |
hex | 747e4c2 |
122152130 has 16 divisors (see below), whose sum is σ = 220074624. Its totient is φ = 48816240.
The previous prime is 122152117. The next prime is 122152153. The reversal of 122152130 is 31251221.
It is a happy number.
It is a super-2 number, since 2×1221521302 = 29842285727073800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122152099 and 122152108.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7349 + ... + 17271.
It is an arithmetic number, because the mean of its divisors is an integer number (13754664).
Almost surely, 2122152130 is an apocalyptic number.
122152130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122152130 is a deficient number, since it is larger than the sum of its proper divisors (97922494).
122152130 is a wasteful number, since it uses less digits than its factorization.
122152130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11161.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 122152130 is about 11052.2454732059. The cubic root of 122152130 is about 496.1736325201.
Subtracting from 122152130 its reverse (31251221), we obtain a palindrome (90900909).
The spelling of 122152130 in words is "one hundred twenty-two million, one hundred fifty-two thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •