Base | Representation |
---|---|
bin | 1001001010000011111… |
… | …1110100110111111100 |
3 | 120001001220011102010010 |
4 | 2102200333310313330 |
5 | 10034142344040420 |
6 | 200134411343220 |
7 | 14236351106262 |
oct | 2224077646774 |
9 | 501056142103 |
10 | 157319908860 |
11 | 6079aa95004 |
12 | 265a6151b10 |
13 | 11ab1c33c8a |
14 | 78859c4432 |
15 | 415b53b4e0 |
hex | 24a0ff4dfc |
157319908860 has 96 divisors (see below), whose sum is σ = 445056192000. Its totient is φ = 41518022400.
The previous prime is 157319908807. The next prime is 157319908861. The reversal of 157319908860 is 68809913751.
It is a self number, because there is not a number n which added to its sum of digits gives 157319908860.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157319908861) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18290841 + ... + 18299439.
It is an arithmetic number, because the mean of its divisors is an integer number (4636002000).
Almost surely, 2157319908860 is an apocalyptic number.
157319908860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157319908860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222528096000).
157319908860 is an abundant number, since it is smaller than the sum of its proper divisors (287736283140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157319908860 is a wasteful number, since it uses less digits than its factorization.
157319908860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11731 (or 11729 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 57.
The spelling of 157319908860 in words is "one hundred fifty-seven billion, three hundred nineteen million, nine hundred eight thousand, eight hundred sixty".
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