Base | Representation |
---|---|
bin | 10010101101011101010… |
… | …01011011101100000010 |
3 | 2021110101102120010112202 |
4 | 21112232221123230002 |
5 | 41013104314132002 |
6 | 1211200214153202 |
7 | 64306112512232 |
oct | 11265651335402 |
9 | 2243342503482 |
10 | 642880224002 |
11 | 22870a143555 |
12 | a4717352802 |
13 | 48814648313 |
14 | 23189199cc2 |
15 | 11ac9639502 |
hex | 95aea5bb02 |
642880224002 has 32 divisors (see below), whose sum is σ = 1007070564864. Its totient is φ = 307453708800.
The previous prime is 642880223981. The next prime is 642880224071. The reversal of 642880224002 is 200422088246.
642880224002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 1653458 + ... + 2004914.
It is an arithmetic number, because the mean of its divisors is an integer number (31470955152).
Almost surely, 2642880224002 is an apocalyptic number.
642880224002 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
642880224002 is a deficient number, since it is larger than the sum of its proper divisors (364190340862).
642880224002 is a wasteful number, since it uses less digits than its factorization.
642880224002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351834.
The product of its (nonzero) digits is 98304, while the sum is 38.
The spelling of 642880224002 in words is "six hundred forty-two billion, eight hundred eighty million, two hundred twenty-four thousand, two".
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