Base | Representation |
---|---|
bin | 101110101110000010010… |
… | …0010000000111000010000 |
3 | 211201211212011102002010020 |
4 | 1131130010202000320100 |
5 | 1320200303321223010 |
6 | 21353442435303440 |
7 | 1231622441406660 |
oct | 135340442007020 |
9 | 24654764362106 |
10 | 6421052132880 |
11 | 2056175594880 |
12 | 87853944ab80 |
13 | 37766c3370a8 |
14 | 182acdcb61a0 |
15 | b205db7a470 |
hex | 5d704880e10 |
6421052132880 has 160 divisors (see below), whose sum is σ = 24816949613568. Its totient is φ = 1334244595200.
The previous prime is 6421052132867. The next prime is 6421052132923. The reversal of 6421052132880 is 882312501246.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173711286 + ... + 173748245.
Almost surely, 26421052132880 is an apocalyptic number.
6421052132880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
6421052132880 is an abundant number, since it is smaller than the sum of its proper divisors (18395897480688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6421052132880 is a wasteful number, since it uses less digits than its factorization.
6421052132880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 347459565 (or 347459559 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 42.
The spelling of 6421052132880 in words is "six trillion, four hundred twenty-one billion, fifty-two million, one hundred thirty-two thousand, eight hundred eighty".
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