Base | Representation |
---|---|
bin | 111101000001111110… |
… | …1101011001000101010 |
3 | 110112022000011022202000 |
4 | 1322003331223020222 |
5 | 4121404112023032 |
6 | 140113130551430 |
7 | 12316602063336 |
oct | 1720375531052 |
9 | 415260138660 |
10 | 131063001642 |
11 | 50646713a91 |
12 | 21498898576 |
13 | c48919cca1 |
14 | 64b47367c6 |
15 | 362133be7c |
hex | 1e83f6b22a |
131063001642 has 64 divisors (see below), whose sum is σ = 307246262400. Its totient is φ = 41298387840.
The previous prime is 131063001611. The next prime is 131063001691. The reversal of 131063001642 is 246100360131.
131063001642 is a `hidden beast` number, since 1 + 3 + 10 + 6 + 3 + 0 + 0 + 1 + 642 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334438 + ... + 611534.
It is an arithmetic number, because the mean of its divisors is an integer number (4800722850).
Almost surely, 2131063001642 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131063001642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153623131200).
131063001642 is an abundant number, since it is smaller than the sum of its proper divisors (176183260758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131063001642 is a wasteful number, since it uses less digits than its factorization.
131063001642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277588 (or 277582 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Adding to 131063001642 its reverse (246100360131), we get a palindrome (377163361773).
The spelling of 131063001642 in words is "one hundred thirty-one billion, sixty-three million, one thousand, six hundred forty-two".
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