Base | Representation |
---|---|
bin | 11001001111111011… |
… | …11101111110010110 |
3 | 1021222200222121111212 |
4 | 30213331331332112 |
5 | 210230144123232 |
6 | 10121032301422 |
7 | 656626330355 |
oct | 144775757626 |
9 | 37880877455 |
10 | 13555457942 |
11 | 5826780204 |
12 | 2763841872 |
13 | 13804a3540 |
14 | 92843999c |
15 | 5450c1eb2 |
hex | 327f7df96 |
13555457942 has 16 divisors (see below), whose sum is σ = 22256252592. Its totient is φ = 6153801120.
The previous prime is 13555457887. The next prime is 13555457957. The reversal of 13555457942 is 24975455531.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4271888 + ... + 4275059.
It is an arithmetic number, because the mean of its divisors is an integer number (1391015787).
Almost surely, 213555457942 is an apocalyptic number.
13555457942 is a deficient number, since it is larger than the sum of its proper divisors (8700794650).
13555457942 is a wasteful number, since it uses less digits than its factorization.
13555457942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8547023.
The product of its digits is 3780000, while the sum is 50.
The spelling of 13555457942 in words is "thirteen billion, five hundred fifty-five million, four hundred fifty-seven thousand, nine hundred forty-two".
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