Base | Representation |
---|---|
bin | 111101000101111011… |
… | …1001100111001010001 |
3 | 110112122020112002101011 |
4 | 1322023313030321101 |
5 | 4122142023211031 |
6 | 140134223210521 |
7 | 12323101354051 |
oct | 1721367147121 |
9 | 415566462334 |
10 | 131195522641 |
11 | 507044a7a77 |
12 | 21515146a41 |
13 | c4aa78c091 |
14 | 64c8191561 |
15 | 362ccb76b1 |
hex | 1e8bdcce51 |
131195522641 has 8 divisors (see below), whose sum is σ = 132323209760. Its totient is φ = 130071772512.
The previous prime is 131195522629. The next prime is 131195522687. The reversal of 131195522641 is 146225591131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131195522641 is a prime.
It is a super-2 number, since 2×1311955226412 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131195522594 and 131195522603.
It is not an unprimeable number, because it can be changed into a prime (131195522041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917295 + ... + 1050628.
It is an arithmetic number, because the mean of its divisors is an integer number (16540401220).
Almost surely, 2131195522641 is an apocalyptic number.
It is an amenable number.
131195522641 is a deficient number, since it is larger than the sum of its proper divisors (1127687119).
131195522641 is a wasteful number, since it uses less digits than its factorization.
131195522641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1968495.
The product of its digits is 64800, while the sum is 40.
The spelling of 131195522641 in words is "one hundred thirty-one billion, one hundred ninety-five million, five hundred twenty-two thousand, six hundred forty-one".
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