Base | Representation |
---|---|
bin | 10101010100101001… |
… | …011110100110000000 |
3 | 2012002120222021221220 |
4 | 111110221132212000 |
5 | 333342104331330 |
6 | 14303503115040 |
7 | 1440234153003 |
oct | 252451364600 |
9 | 65076867856 |
10 | 22894995840 |
11 | 97896a0272 |
12 | 452b5a2a80 |
13 | 220b3b5a22 |
14 | 117299753a |
15 | 8deebc710 |
hex | 554a5e980 |
22894995840 has 256 divisors, whose sum is σ = 74344780800. Its totient is φ = 5991874560.
The previous prime is 22894995833. The next prime is 22894995881. The reversal of 22894995840 is 4859949822.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a congruent number.
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, 53120425 + ... + 53120855.
It is an arithmetic number, because the mean of its divisors is an integer number (290409300).
Almost surely, 222894995840 is an apocalyptic number.
22894995840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22894995840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37172390400).
22894995840 is an abundant number, since it is smaller than the sum of its proper divisors (51449784960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22894995840 is a wasteful number, since it uses less digits than its factorization.
22894995840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 905 (or 893 counting only the distinct ones).
The product of its (nonzero) digits is 14929920, while the sum is 60.
The spelling of 22894995840 in words is "twenty-two billion, eight hundred ninety-four million, nine hundred ninety-five thousand, eight hundred forty".
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