Base | Representation |
---|---|
bin | 11101110010011110011011… |
… | …110010110000001100101010 |
3 | 122011212121212121210222210100 |
4 | 131302132123302300030222 |
5 | 114133000034301443421 |
6 | 1142350025451530230 |
7 | 36411206344044501 |
oct | 3562363362601452 |
9 | 564777777728710 |
10 | 131012001202986 |
11 | 388209722265a2 |
12 | 1283b006159976 |
13 | 58144c0016c67 |
14 | 244d02c457838 |
15 | 1022dc971bc26 |
hex | 77279bcb032a |
131012001202986 has 48 divisors (see below), whose sum is σ = 308680104609864. Its totient is φ = 39990944719872.
The previous prime is 131012001202963. The next prime is 131012001202987. The reversal of 131012001202986 is 689202100210131.
131012001202986 is a `hidden beast` number, since 1 + 310 + 120 + 0 + 120 + 29 + 86 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 130095261976761 + 916739226225 = 11405931^2 + 957465^2 .
It is a super-2 number, since 2×1310120012029862 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 131012001202986.
It is not an unprimeable number, because it can be changed into a prime (131012001202987) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5785715635 + ... + 5785738278.
Almost surely, 2131012001202986 is an apocalyptic number.
131012001202986 is an abundant number, since it is smaller than the sum of its proper divisors (177668103406878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131012001202986 is a wasteful number, since it uses less digits than its factorization.
131012001202986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11571453975 (or 11571453972 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The spelling of 131012001202986 in words is "one hundred thirty-one trillion, twelve billion, one million, two hundred two thousand, nine hundred eighty-six".
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