Base | Representation |
---|---|
bin | 11101110101110100111000… |
… | …111011011101010011110101 |
3 | 122012200122020111122020021122 |
4 | 131311310320323131103311 |
5 | 114200233132304241032 |
6 | 1143043511123553325 |
7 | 36433640550105260 |
oct | 3565647073352365 |
9 | 565618214566248 |
10 | 131242270774517 |
11 | 388aa597411911 |
12 | 1287776ab2b845 |
13 | 5830129503cb6 |
14 | 245a2346b5cd7 |
15 | 1028da52b8012 |
hex | 775d38edd4f5 |
131242270774517 has 8 divisors (see below), whose sum is σ = 150161417646912. Its totient is φ = 112365686664000.
The previous prime is 131242270774499. The next prime is 131242270774523. The reversal of 131242270774517 is 715477072242131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131242270774517 - 222 = 131242266580213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131242270374517) 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, 10640683859 + ... + 10640696192.
It is an arithmetic number, because the mean of its divisors is an integer number (18770177205864).
Almost surely, 2131242270774517 is an apocalyptic number.
It is an amenable number.
131242270774517 is a deficient number, since it is larger than the sum of its proper divisors (18919146872395).
131242270774517 is an equidigital number, since it uses as much as digits as its factorization.
131242270774517 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21281380939.
The product of its (nonzero) digits is 4609920, while the sum is 53.
The spelling of 131242270774517 in words is "one hundred thirty-one trillion, two hundred forty-two billion, two hundred seventy million, seven hundred seventy-four thousand, five hundred seventeen".
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