Base | Representation |
---|---|
bin | 111101001011101010… |
… | …1111110000001100111 |
3 | 110120010122221221101121 |
4 | 1322113111332001213 |
5 | 4123040330400300 |
6 | 140205303434411 |
7 | 12330630512452 |
oct | 1722725760147 |
9 | 416118857347 |
10 | 131388137575 |
11 | 507a31a6472 |
12 | 21569755a07 |
13 | c50b65bb06 |
14 | 65059b0499 |
15 | 363eb6381a |
hex | 1e9757e067 |
131388137575 has 12 divisors (see below), whose sum is σ = 172504896480. Its totient is φ = 98927538560.
The previous prime is 131388137567. The next prime is 131388137627. The reversal of 131388137575 is 575731883131.
It is not a de Polignac number, because 131388137575 - 23 = 131388137567 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154573855 + ... + 154574704.
It is an arithmetic number, because the mean of its divisors is an integer number (14375408040).
Almost surely, 2131388137575 is an apocalyptic number.
131388137575 is a deficient number, since it is larger than the sum of its proper divisors (41116758905).
131388137575 is a wasteful number, since it uses less digits than its factorization.
131388137575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309148586 (or 309148581 counting only the distinct ones).
The product of its digits is 2116800, while the sum is 52.
The spelling of 131388137575 in words is "one hundred thirty-one billion, three hundred eighty-eight million, one hundred thirty-seven thousand, five hundred seventy-five".
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