Base | Representation |
---|---|
bin | 1001001010101110001… |
… | …1111010000000000000 |
3 | 120001112020122122102210 |
4 | 2102223203322000000 |
5 | 10040023231423300 |
6 | 200204142142120 |
7 | 14243632410642 |
oct | 2225343720000 |
9 | 501466578383 |
10 | 157497139200 |
11 | 60881035865 |
12 | 26635581940 |
13 | 11b0c8782bb |
14 | 78a135a892 |
15 | 416bd99050 |
hex | 24ab8fa000 |
157497139200 has 504 divisors, whose sum is σ = 553817223072. Its totient is φ = 39484129280.
The previous prime is 157497139141. The next prime is 157497139211. The reversal of 157497139200 is 2931794751.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 157497139200.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 177561157 + ... + 177562043.
Almost surely, 2157497139200 is an apocalyptic number.
157497139200 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 157497139200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276908611536).
157497139200 is an abundant number, since it is smaller than the sum of its proper divisors (396320083872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157497139200 is an equidigital number, since it uses as much as digits as its factorization.
157497139200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 960 (or 914 counting only the distinct ones).
The product of its (nonzero) digits is 476280, while the sum is 48.
The spelling of 157497139200 in words is "one hundred fifty-seven billion, four hundred ninety-seven million, one hundred thirty-nine thousand, two hundred".
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