Base | Representation |
---|---|
bin | 10101000110101010… |
… | …010111101100000000 |
3 | 2011111020102222120001 |
4 | 111012222113230000 |
5 | 332402022124142 |
6 | 14224321525344 |
7 | 1431354533323 |
oct | 250652275400 |
9 | 64436388501 |
10 | 22660348672 |
11 | 96791a3395 |
12 | 4484aa3854 |
13 | 21a18ba450 |
14 | 114d7567ba |
15 | 8c95bc5b7 |
hex | 546a97b00 |
22660348672 has 144 divisors (see below), whose sum is σ = 50379612640. Its totient is φ = 10104569856.
The previous prime is 22660348661. The next prime is 22660348687. The reversal of 22660348672 is 27684306622.
It is a super-2 number, since 2×226603486722 (a number of 22 digits) contains 22 as substring.
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, 20070604 + ... + 20071732.
Almost surely, 222660348672 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22660348672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25189806320).
22660348672 is an abundant number, since it is smaller than the sum of its proper divisors (27719263968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22660348672 is a wasteful number, since it uses less digits than its factorization.
22660348672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1358 (or 1344 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 46.
The spelling of 22660348672 in words is "twenty-two billion, six hundred sixty million, three hundred forty-eight thousand, six hundred seventy-two".
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