Base | Representation |
---|---|
bin | 111101001110101010… |
… | …0111101011100111110 |
3 | 110120101122212201122221 |
4 | 1322131110331130332 |
5 | 4123242031131012 |
6 | 140223251355554 |
7 | 12333260055400 |
oct | 1723524753476 |
9 | 416348781587 |
10 | 131488536382 |
11 | 5084493a595 |
12 | 215972b2bba |
13 | c5263b1ca8 |
14 | 6515066b70 |
15 | 3648896507 |
hex | 1e9d53d73e |
131488536382 has 36 divisors (see below), whose sum is σ = 231600338424. Its totient is φ = 55825097160.
The previous prime is 131488536353. The next prime is 131488536383. The reversal of 131488536382 is 283635884131.
It is a happy number.
It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131488536383) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1063407 + ... + 1180597.
It is an arithmetic number, because the mean of its divisors is an integer number (6433342734).
Almost surely, 2131488536382 is an apocalyptic number.
131488536382 is a deficient number, since it is larger than the sum of its proper divisors (100111802042).
131488536382 is a wasteful number, since it uses less digits than its factorization.
131488536382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117421 (or 117307 counting only the distinct ones).
The product of its digits is 3317760, while the sum is 52.
The spelling of 131488536382 in words is "one hundred thirty-one billion, four hundred eighty-eight million, five hundred thirty-six thousand, three hundred eighty-two".
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