Base | Representation |
---|---|
bin | 1001001001111100001… |
… | …1011100000100110100 |
3 | 120000222121210210010110 |
4 | 2102133003130010310 |
5 | 10034111022121203 |
6 | 200131244423020 |
7 | 14235504001005 |
oct | 2223703340464 |
9 | 500877723113 |
10 | 157287301428 |
11 | 60783643614 |
12 | 26597247a70 |
13 | 11aa825823a |
14 | 78815371ac |
15 | 4158749d03 |
hex | 249f0dc134 |
157287301428 has 12 divisors (see below), whose sum is σ = 367003703360. Its totient is φ = 52429100472.
The previous prime is 157287301403. The next prime is 157287301441. The reversal of 157287301428 is 824103782751.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 6553637548 + ... + 6553637571.
Almost surely, 2157287301428 is an apocalyptic number.
It is an amenable number.
157287301428 is an abundant number, since it is smaller than the sum of its proper divisors (209716401932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157287301428 is a wasteful number, since it uses less digits than its factorization.
157287301428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13107275126 (or 13107275124 counting only the distinct ones).
The product of its (nonzero) digits is 752640, while the sum is 48.
The spelling of 157287301428 in words is "one hundred fifty-seven billion, two hundred eighty-seven million, three hundred one thousand, four hundred twenty-eight".
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