Base | Representation |
---|---|
bin | 1001001000111111001… |
… | …1110100111110010010 |
3 | 120000022210120022022102 |
4 | 2102033303310332102 |
5 | 10033100034111431 |
6 | 200050031040402 |
7 | 14226250105361 |
oct | 2221763647622 |
9 | 500283508272 |
10 | 157031550866 |
11 | 60662242413 |
12 | 26525670102 |
13 | 11a67281248 |
14 | 78595a17d8 |
15 | 414107bdcb |
hex | 248fcf4f92 |
157031550866 has 16 divisors (see below), whose sum is σ = 241474383360. Its totient is φ = 76542978720.
The previous prime is 157031550847. The next prime is 157031550889. The reversal of 157031550866 is 668055130751.
It is a super-2 number, since 2×1570315508662 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 157031550866.
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, 612746 + ... + 830373.
It is an arithmetic number, because the mean of its divisors is an integer number (15092148960).
Almost surely, 2157031550866 is an apocalyptic number.
157031550866 is a deficient number, since it is larger than the sum of its proper divisors (84442832494).
157031550866 is a wasteful number, since it uses less digits than its factorization.
157031550866 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1444489.
The product of its (nonzero) digits is 756000, while the sum is 47.
The spelling of 157031550866 in words is "one hundred fifty-seven billion, thirty-one million, five hundred fifty thousand, eight hundred sixty-six".
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