Base | Representation |
---|---|
bin | 10101000110110101… |
… | …001101110110001100 |
3 | 2011111102210102210120 |
4 | 111012311031312030 |
5 | 332403234120243 |
6 | 14224502504540 |
7 | 1431420644625 |
oct | 250665156614 |
9 | 64442712716 |
10 | 22663191948 |
11 | 967a865601 |
12 | 4485a35150 |
13 | 21a2374667 |
14 | 114dc96a4c |
15 | 8c997ec83 |
hex | 546d4dd8c |
22663191948 has 48 divisors (see below), whose sum is σ = 54649641984. Its totient is φ = 7302265920.
The previous prime is 22663191919. The next prime is 22663191953. The reversal of 22663191948 is 84919136622.
It is a self number, because there is not a number n which added to its sum of digits gives 22663191948.
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, 291511 + ... + 360977.
It is an arithmetic number, because the mean of its divisors is an integer number (1138534208).
Almost surely, 222663191948 is an apocalyptic number.
It is an amenable number.
22663191948 is an abundant number, since it is smaller than the sum of its proper divisors (31986450036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22663191948 is a wasteful number, since it uses less digits than its factorization.
22663191948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70382 (or 70380 counting only the distinct ones).
The product of its digits is 1119744, while the sum is 51.
The spelling of 22663191948 in words is "twenty-two billion, six hundred sixty-three million, one hundred ninety-one thousand, nine hundred forty-eight".
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