Base | Representation |
---|---|
bin | 1110100011111… |
… | …10010001001111 |
3 | 22111211222001201 |
4 | 13101332101033 |
5 | 222232331030 |
6 | 20042050331 |
7 | 3012163216 |
oct | 721762117 |
9 | 274758051 |
10 | 122152015 |
11 | 62a51687 |
12 | 34aa99a7 |
13 | 1c3cb5cb |
14 | 1231a07d |
15 | aacd2ca |
hex | 747e44f |
122152015 has 8 divisors (see below), whose sum is σ = 149348448. Its totient is φ = 95877600.
The previous prime is 122152001. The next prime is 122152033. The reversal of 122152015 is 510251221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122152015 - 211 = 122149967 is a prime.
It is a super-2 number, since 2×1221520152 = 29842229537120450, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122151983 and 122152001.
It is a congruent number.
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, 230211 + ... + 230740.
It is an arithmetic number, because the mean of its divisors is an integer number (18668556).
Almost surely, 2122152015 is an apocalyptic number.
122152015 is a deficient number, since it is larger than the sum of its proper divisors (27196433).
122152015 is an equidigital number, since it uses as much as digits as its factorization.
122152015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 461009.
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 122152015 is about 11052.2402706420. The cubic root of 122152015 is about 496.1734768126.
The spelling of 122152015 in words is "one hundred twenty-two million, one hundred fifty-two thousand, fifteen".
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