Base | Representation |
---|---|
bin | 111001010000001110… |
… | …0100101000111110011 |
3 | 102202100122212102201122 |
4 | 1302200130211013303 |
5 | 4003300414242211 |
6 | 132252145052455 |
7 | 11611560445403 |
oct | 1624034450763 |
9 | 382318772648 |
10 | 122950930931 |
11 | 48163660214 |
12 | 1b9b402712b |
13 | b79567b14a |
14 | 5d45218803 |
15 | 32e90a56db |
hex | 1ca07251f3 |
122950930931 has 4 divisors (see below), whose sum is σ = 122973525192. Its totient is φ = 122928336672.
The previous prime is 122950930901. The next prime is 122950930937. The reversal of 122950930931 is 139039059221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 122950930931 - 218 = 122950668787 is a prime.
It is a super-2 number, since 2×1229509309312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122950930937) 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, 11288966 + ... + 11299851.
It is an arithmetic number, because the mean of its divisors is an integer number (30743381298).
Almost surely, 2122950930931 is an apocalyptic number.
122950930931 is a deficient number, since it is larger than the sum of its proper divisors (22594261).
122950930931 is an equidigital number, since it uses as much as digits as its factorization.
122950930931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22594260.
The product of its (nonzero) digits is 131220, while the sum is 44.
The spelling of 122950930931 in words is "one hundred twenty-two billion, nine hundred fifty million, nine hundred thirty thousand, nine hundred thirty-one".
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