Base | Representation |
---|---|
bin | 111101010100100001… |
… | …1110110011010001100 |
3 | 110120220101021022011020 |
4 | 1322221003312122030 |
5 | 4124142424041201 |
6 | 140255002354140 |
7 | 12341200145616 |
oct | 1725103663214 |
9 | 416811238136 |
10 | 131685377676 |
11 | 50935a65346 |
12 | 216311bb950 |
13 | c558101628 |
14 | 6533265db6 |
15 | 365acc9a36 |
hex | 1ea90f668c |
131685377676 has 48 divisors (see below), whose sum is σ = 308830894848. Its totient is φ = 43671700800.
The previous prime is 131685377671. The next prime is 131685377699. The reversal of 131685377676 is 676773586131.
It is not an unprimeable number, because it can be changed into a prime (131685377671) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8882446 + ... + 8897258.
It is an arithmetic number, because the mean of its divisors is an integer number (6433976976).
Almost surely, 2131685377676 is an apocalyptic number.
It is an amenable number.
131685377676 is an abundant number, since it is smaller than the sum of its proper divisors (177145517172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131685377676 is a wasteful number, since it uses less digits than its factorization.
131685377676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18542 (or 18540 counting only the distinct ones).
The product of its digits is 26671680, while the sum is 60.
The spelling of 131685377676 in words is "one hundred thirty-one billion, six hundred eighty-five million, three hundred seventy-seven thousand, six hundred seventy-six".
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