Base | Representation |
---|---|
bin | 10100111110111110… |
… | …011111010100001100 |
3 | 2011011020210222012000 |
4 | 110332332133110030 |
5 | 332121014430233 |
6 | 14203434112300 |
7 | 1425230532414 |
oct | 247676372414 |
9 | 64136728160 |
10 | 22531405068 |
11 | 9612433127 |
12 | 444987b690 |
13 | 2180c81763 |
14 | 113a58d644 |
15 | 8bd0ebd13 |
hex | 53ef9f50c |
22531405068 has 48 divisors (see below), whose sum is σ = 58423680000. Its totient is φ = 7509320784.
The previous prime is 22531405067. The next prime is 22531405177. The reversal of 22531405068 is 86050413522.
22531405068 is a `hidden beast` number, since 2 + 2 + 5 + 3 + 140 + 506 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (22531405063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982153 + ... + 1004831.
It is an arithmetic number, because the mean of its divisors is an integer number (1217160000).
Almost surely, 222531405068 is an apocalyptic number.
It is an amenable number.
22531405068 is an abundant number, since it is smaller than the sum of its proper divisors (35892274932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22531405068 is a wasteful number, since it uses less digits than its factorization.
22531405068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31891 (or 31883 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The spelling of 22531405068 in words is "twenty-two billion, five hundred thirty-one million, four hundred five thousand, sixty-eight".
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