Base | Representation |
---|---|
bin | 111111111111111111… |
… | …1110111010001001011 |
3 | 111010202100120102022110 |
4 | 1333333333313101023 |
5 | 4222433330331312 |
6 | 143045532553403 |
7 | 12633602345040 |
oct | 1777777672113 |
9 | 433670512273 |
10 | 137438917707 |
11 | 53318760103 |
12 | 22778022863 |
13 | cc640c70a0 |
14 | 691b43b1c7 |
15 | 3895e7c43c |
hex | 1fffff744b |
137438917707 has 16 divisors (see below), whose sum is σ = 225540788480. Its totient is φ = 72495253152.
The previous prime is 137438917673. The next prime is 137438917709. The reversal of 137438917707 is 707719834731.
It is not a de Polignac number, because 137438917707 - 230 = 136365175883 is a prime.
It is a super-2 number, since 2×1374389177072 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (137438917709) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251719357 + ... + 251719902.
It is an arithmetic number, because the mean of its divisors is an integer number (14096299280).
Almost surely, 2137438917707 is an apocalyptic number.
137438917707 is a deficient number, since it is larger than the sum of its proper divisors (88101870773).
137438917707 is a wasteful number, since it uses less digits than its factorization.
137438917707 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 503439282.
The product of its (nonzero) digits is 6223392, while the sum is 57.
The spelling of 137438917707 in words is "one hundred thirty-seven billion, four hundred thirty-eight million, nine hundred seventeen thousand, seven hundred seven".
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