Base | Representation |
---|---|
bin | 11101110011111110100101… |
… | …100111011001101011100000 |
3 | 122012020111100212122012011010 |
4 | 131303332211213121223200 |
5 | 114141143010233330212 |
6 | 1142505302341220520 |
7 | 36421523001466353 |
oct | 3563764547315340 |
9 | 565214325565133 |
10 | 131115245214432 |
11 | 38860732835496 |
12 | 1285701a401740 |
13 | 58211649348ab |
14 | 245402427c29a |
15 | 102591d64a03c |
hex | 773fa59d9ae0 |
131115245214432 has 48 divisors (see below), whose sum is σ = 344414392776720. Its totient is φ = 43675002488832.
The previous prime is 131115245214427. The next prime is 131115245214461. The reversal of 131115245214432 is 234412542511131.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×1311152452144322 (a number of 29 digits) contains 22 as substring.
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, 469848057 + ... + 470127032.
It is an arithmetic number, because the mean of its divisors is an integer number (7175299849515).
Almost surely, 2131115245214432 is an apocalyptic number.
131115245214432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131115245214432 is an abundant number, since it is smaller than the sum of its proper divisors (213299147562288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131115245214432 is a wasteful number, since it uses less digits than its factorization.
131115245214432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 939976555 (or 939976547 counting only the distinct ones).
The product of its digits is 115200, while the sum is 39.
Adding to 131115245214432 its reverse (234412542511131), we get a palindrome (365527787725563).
The spelling of 131115245214432 in words is "one hundred thirty-one trillion, one hundred fifteen billion, two hundred forty-five million, two hundred fourteen thousand, four hundred thirty-two".
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