Base | Representation |
---|---|
bin | 111010110100100000… |
… | …011100101111110100 |
3 | 20001000120211011011022 |
4 | 322310200130233310 |
5 | 2013321413304010 |
6 | 45003034000312 |
7 | 4364053460243 |
oct | 726440345764 |
9 | 201016734138 |
10 | 63157947380 |
11 | 24870018730 |
12 | 102a7576098 |
13 | 5c56a93ac8 |
14 | 30b205295a |
15 | 1999ae5d55 |
hex | eb481cbf4 |
63157947380 has 48 divisors (see below), whose sum is σ = 145416297600. Its totient is φ = 22851100800.
The previous prime is 63157947373. The next prime is 63157947449. The reversal of 63157947380 is 8374975136.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677531 + ... + 765090.
It is an arithmetic number, because the mean of its divisors is an integer number (3029506200).
Almost surely, 263157947380 is an apocalyptic number.
It is an amenable number.
63157947380 is an abundant number, since it is smaller than the sum of its proper divisors (82258350220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63157947380 is a wasteful number, since it uses less digits than its factorization.
63157947380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1442840 (or 1442838 counting only the distinct ones).
The product of its (nonzero) digits is 3810240, while the sum is 53.
The spelling of 63157947380 in words is "sixty-three billion, one hundred fifty-seven million, nine hundred forty-seven thousand, three hundred eighty".
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