Base | Representation |
---|---|
bin | 111101001110101010… |
… | …0111101011100111010 |
3 | 110120101122212201122210 |
4 | 1322131110331130322 |
5 | 4123242031131003 |
6 | 140223251355550 |
7 | 12333260055363 |
oct | 1723524753472 |
9 | 416348781583 |
10 | 131488536378 |
11 | 5084493a591 |
12 | 215972b2bb6 |
13 | c5263b1ca4 |
14 | 6515066b6a |
15 | 3648896503 |
hex | 1e9d53d73a |
131488536378 has 16 divisors (see below), whose sum is σ = 274410858816. Its totient is φ = 41923881120.
The previous prime is 131488536353. The next prime is 131488536383. The reversal of 131488536378 is 873635884131.
It is a super-3 number, since 3×1314885363783 (a number of 34 digits) contains 333 as substring.
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 7 ways as a sum of consecutive naturals, for example, 476407603 + ... + 476407878.
It is an arithmetic number, because the mean of its divisors is an integer number (17150678676).
Almost surely, 2131488536378 is an apocalyptic number.
131488536378 is an abundant number, since it is smaller than the sum of its proper divisors (142922322438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131488536378 is a wasteful number, since it uses less digits than its factorization.
131488536378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 952815509.
The product of its digits is 11612160, while the sum is 57.
The spelling of 131488536378 in words is "one hundred thirty-one billion, four hundred eighty-eight million, five hundred thirty-six thousand, three hundred seventy-eight".
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