Base | Representation |
---|---|
bin | 100001101100011001100… |
… | …000011101001110010011 |
3 | 22012100111021101211022221 |
4 | 201230121200131032103 |
5 | 300413432304430001 |
6 | 4531404225441511 |
7 | 326166102262000 |
oct | 41543140351623 |
9 | 8170437354287 |
10 | 2315415311251 |
11 | 812a64642639 |
12 | 3148abaa0297 |
13 | 13a45bc81813 |
14 | 800d10448a7 |
15 | 40368b8b1a1 |
hex | 21b1981d393 |
2315415311251 has 8 divisors (see below), whose sum is σ = 2700192783200. Its totient is φ = 1984641695064.
The previous prime is 2315415311249. The next prime is 2315415311263. The reversal of 2315415311251 is 1521135145132.
It is not a de Polignac number, because 2315415311251 - 21 = 2315415311249 is a prime.
It is a super-2 number, since 2×23154153112512 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2315415311851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375240636 + ... + 3375241321.
It is an arithmetic number, because the mean of its divisors is an integer number (337524097900).
Almost surely, 22315415311251 is an apocalyptic number.
2315415311251 is a deficient number, since it is larger than the sum of its proper divisors (384777471949).
2315415311251 is an frugal number, since it uses more digits than its factorization.
2315415311251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6750481978 (or 6750481964 counting only the distinct ones).
The product of its digits is 18000, while the sum is 34.
The spelling of 2315415311251 in words is "two trillion, three hundred fifteen billion, four hundred fifteen million, three hundred eleven thousand, two hundred fifty-one".
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