Base | Representation |
---|---|
bin | 111101000011101100… |
… | …0011110000011001100 |
3 | 110112110000002022022000 |
4 | 1322013120132003030 |
5 | 4122013302420310 |
6 | 140122540152300 |
7 | 12321166435662 |
oct | 1720730360314 |
9 | 415400068260 |
10 | 131120357580 |
11 | 50676029393 |
12 | 214b3b38690 |
13 | c498032604 |
14 | 64bc1c6c32 |
15 | 36263bb4c0 |
hex | 1e8761e0cc |
131120357580 has 48 divisors (see below), whose sum is σ = 407930003040. Its totient is φ = 34965428544.
The previous prime is 131120357579. The next prime is 131120357581. The reversal of 131120357580 is 85753021131.
It is a happy number.
131120357580 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 2 + 0 + 3 + 575 + 80 = 666.
It is an interprime number because it is at equal distance from previous prime (131120357579) and next prime (131120357581).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (131120357581) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121407199 + ... + 121408278.
It is an arithmetic number, because the mean of its divisors is an integer number (8498541730).
Almost surely, 2131120357580 is an apocalyptic number.
131120357580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131120357580 is an abundant number, since it is smaller than the sum of its proper divisors (276809645460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131120357580 is a wasteful number, since it uses less digits than its factorization.
131120357580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242815495 (or 242815487 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 36.
The spelling of 131120357580 in words is "one hundred thirty-one billion, one hundred twenty million, three hundred fifty-seven thousand, five hundred eighty".
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