Base | Representation |
---|---|
bin | 1001001001111100001… |
… | …1011000010001011010 |
3 | 120000222121202222202111 |
4 | 2102133003120101122 |
5 | 10034111021121400 |
6 | 200131244222534 |
7 | 14235503604412 |
oct | 2223703302132 |
9 | 500877688674 |
10 | 157287285850 |
11 | 60783632942 |
12 | 2659723aa4a |
13 | 11aa8251116 |
14 | 7881531642 |
15 | 41587453ba |
hex | 249f0d845a |
157287285850 has 24 divisors (see below), whose sum is σ = 292575122208. Its totient is φ = 62910447600.
The previous prime is 157287285839. The next prime is 157287285901. The reversal of 157287285850 is 58582782751.
It is a super-2 number, since 2×1572872858502 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651235 + ... + 859465.
It is an arithmetic number, because the mean of its divisors is an integer number (12190630092).
Almost surely, 2157287285850 is an apocalyptic number.
157287285850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157287285850 is a deficient number, since it is larger than the sum of its proper divisors (135287836358).
157287285850 is a wasteful number, since it uses less digits than its factorization.
157287285850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223350 (or 223345 counting only the distinct ones).
The product of its (nonzero) digits is 12544000, while the sum is 58.
The spelling of 157287285850 in words is "one hundred fifty-seven billion, two hundred eighty-seven million, two hundred eighty-five thousand, eight hundred fifty".
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