Base | Representation |
---|---|
bin | 1110001111101010100010… |
… | …00010010001100011011111 |
3 | 11002220121011011120022110121 |
4 | 13013311101002101203133 |
5 | 13101210142321243130 |
6 | 150342145152015411 |
7 | 6412060462101301 |
oct | 707652102214337 |
9 | 132817134508417 |
10 | 31324556040415 |
11 | 9a87740289920 |
12 | 361aaaa531567 |
13 | 1462b7baa9701 |
14 | 7a418bd53971 |
15 | 394c54927d7a |
hex | 1c7d510918df |
31324556040415 has 32 divisors (see below), whose sum is σ = 41483986592256. Its totient is φ = 22517177247360.
The previous prime is 31324556040403. The next prime is 31324556040431. The reversal of 31324556040415 is 51404065542313.
It is not a de Polignac number, because 31324556040415 - 235 = 31290196302047 is a prime.
It is a super-2 number, since 2×313245560404152 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2323524 + ... + 8249113.
It is an arithmetic number, because the mean of its divisors is an integer number (1296374581008).
Almost surely, 231324556040415 is an apocalyptic number.
31324556040415 is a deficient number, since it is larger than the sum of its proper divisors (10159430551841).
31324556040415 is a wasteful number, since it uses less digits than its factorization.
31324556040415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10573279.
The product of its (nonzero) digits is 864000, while the sum is 43.
The spelling of 31324556040415 in words is "thirty-one trillion, three hundred twenty-four billion, five hundred fifty-six million, forty thousand, four hundred fifteen".
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