Base | Representation |
---|---|
bin | 100011110001001011001011… |
… | …000000110001100100110100 |
3 | 202121222202212120112122101100 |
4 | 203301023023000301210310 |
5 | 131104340134302124304 |
6 | 1314323341511330100 |
7 | 45064223131612035 |
oct | 4361131300614464 |
9 | 677882776478340 |
10 | 157310878161204 |
11 | 461401946aa379 |
12 | 15787a9a980930 |
13 | 69a14768cb901 |
14 | 2abbc5c3caa8c |
15 | 132c03c311439 |
hex | 8f12cb031934 |
157310878161204 has 72 divisors (see below), whose sum is σ = 397967151909600. Its totient is φ = 52394736888000.
The previous prime is 157310878161197. The next prime is 157310878161257. The reversal of 157310878161204 is 402161878013751.
It is a happy number.
157310878161204 is a `hidden beast` number, since 1 + 5 + 7 + 3 + 10 + 8 + 7 + 8 + 1 + 612 + 0 + 4 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1920750247 + ... + 1920832145.
It is an arithmetic number, because the mean of its divisors is an integer number (5527321554300).
Almost surely, 2157310878161204 is an apocalyptic number.
It is an amenable number.
157310878161204 is an abundant number, since it is smaller than the sum of its proper divisors (240656273748396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157310878161204 is a wasteful number, since it uses less digits than its factorization.
157310878161204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124221 (or 124216 counting only the distinct ones).
The product of its (nonzero) digits is 2257920, while the sum is 54.
The spelling of 157310878161204 in words is "one hundred fifty-seven trillion, three hundred ten billion, eight hundred seventy-eight million, one hundred sixty-one thousand, two hundred four".
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