Base | Representation |
---|---|
bin | 1001001010010100101… |
… | …1100011111111100101 |
3 | 120001020210020012110012 |
4 | 2102211023203333211 |
5 | 10034313331004214 |
6 | 200145355540005 |
7 | 14241162504500 |
oct | 2224513437745 |
9 | 501223205405 |
10 | 157390094309 |
11 | 60826672408 |
12 | 2660575a605 |
13 | 11ac3639026 |
14 | 7891054137 |
15 | 41627a203e |
hex | 24a52e3fe5 |
157390094309 has 24 divisors (see below), whose sum is σ = 184776088320. Its totient is φ = 133661695104.
The previous prime is 157390094273. The next prime is 157390094339. The reversal of 157390094309 is 903490093751.
It is a de Polignac number, because none of the positive numbers 2k-157390094309 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157390094339) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27809522 + ... + 27815180.
It is an arithmetic number, because the mean of its divisors is an integer number (7699003680).
Almost surely, 2157390094309 is an apocalyptic number.
It is an amenable number.
157390094309 is a deficient number, since it is larger than the sum of its proper divisors (27385994011).
157390094309 is a wasteful number, since it uses less digits than its factorization.
157390094309 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10809 (or 10802 counting only the distinct ones).
The product of its (nonzero) digits is 918540, while the sum is 50.
The spelling of 157390094309 in words is "one hundred fifty-seven billion, three hundred ninety million, ninety-four thousand, three hundred nine".
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