Base | Representation |
---|---|
bin | 100011110000110011100010… |
… | …000100110101000110000110 |
3 | 202121220100100121012111210010 |
4 | 203300303202010311012012 |
5 | 131103431143243441030 |
6 | 1314303543052411050 |
7 | 45062334125043516 |
oct | 4360634204650606 |
9 | 677810317174703 |
10 | 157285495296390 |
11 | 4613044974134a |
12 | 15782b96176a86 |
13 | 699bc5cc73286 |
14 | 2aba93125d846 |
15 | 132b553c126b0 |
hex | 8f0ce2135186 |
157285495296390 has 32 divisors (see below), whose sum is σ = 377489727811296. Its totient is φ = 41942294401280.
The previous prime is 157285495296367. The next prime is 157285495296407. The reversal of 157285495296390 is 93692594582751.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28981701 + ... + 33978080.
It is an arithmetic number, because the mean of its divisors is an integer number (11796553994103).
It is a 1-persistent number, because it is pandigital, but 2⋅157285495296390 = 314570990592780 is not.
Almost surely, 2157285495296390 is an apocalyptic number.
157285495296390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157285495296390 is an abundant number, since it is smaller than the sum of its proper divisors (220204232514906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157285495296390 is a wasteful number, since it uses less digits than its factorization.
157285495296390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63043064.
The product of its (nonzero) digits is 1469664000, while the sum is 75.
The spelling of 157285495296390 in words is "one hundred fifty-seven trillion, two hundred eighty-five billion, four hundred ninety-five million, two hundred ninety-six thousand, three hundred ninety".
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