Base | Representation |
---|---|
bin | 100011110001001011001011… |
… | …000000110001100101101010 |
3 | 202121222202212120112122110100 |
4 | 203301023023000301211222 |
5 | 131104340134302130013 |
6 | 1314323341511330230 |
7 | 45064223131612143 |
oct | 4361131300614552 |
9 | 677882776478410 |
10 | 157310878161258 |
11 | 461401946aa418 |
12 | 15787a9a980976 |
13 | 69a14768cb943 |
14 | 2abbc5c3caaca |
15 | 132c03c311473 |
hex | 8f12cb03196a |
157310878161258 has 48 divisors (see below), whose sum is σ = 341034140131776. Its totient is φ = 52407131742720.
The previous prime is 157310878161257. The next prime is 157310878161293. The reversal of 157310878161258 is 852161878013751.
157310878161258 is a `hidden beast` number, since 1 + 5 + 7 + 3 + 1 + 0 + 8 + 7 + 8 + 1 + 612 + 5 + 8 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 157310878161195 and 157310878161204.
It is not an unprimeable number, because it can be changed into a prime (157310878161257) 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, 530405835 + ... + 530702337.
It is an arithmetic number, because the mean of its divisors is an integer number (7104877919412).
Almost surely, 2157310878161258 is an apocalyptic number.
157310878161258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
157310878161258 is an abundant number, since it is smaller than the sum of its proper divisors (183723261970518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157310878161258 is a wasteful number, since it uses less digits than its factorization.
157310878161258 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313179 (or 313176 counting only the distinct ones).
The product of its (nonzero) digits is 22579200, while the sum is 63.
The spelling of 157310878161258 in words is "one hundred fifty-seven trillion, three hundred ten billion, eight hundred seventy-eight million, one hundred sixty-one thousand, two hundred fifty-eight".
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