Base | Representation |
---|---|
bin | 10100100011111101… |
… | …011010011001101000 |
3 | 2002222122220121121100 |
4 | 110203331122121220 |
5 | 330204000403320 |
6 | 14050443041400 |
7 | 1411055035104 |
oct | 244375323150 |
9 | 62878817540 |
10 | 22078137960 |
11 | 93aa59590a |
12 | 4341b10260 |
13 | 210b0ac978 |
14 | 10d62c0904 |
15 | 893415790 |
hex | 523f5a668 |
22078137960 has 96 divisors (see below), whose sum is σ = 71793919080. Its totient is φ = 5884224000.
The previous prime is 22078137953. The next prime is 22078138001. The reversal of 22078137960 is 6973187022.
It can be written as a sum of positive squares in 4 ways, for example, as 7503370884 + 14574767076 = 86622^2 + 120726^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668230 + ... + 700490.
Almost surely, 222078137960 is an apocalyptic number.
22078137960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22078137960 is an abundant number, since it is smaller than the sum of its proper divisors (49715781120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22078137960 is a wasteful number, since it uses less digits than its factorization.
22078137960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34179 (or 34172 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The spelling of 22078137960 in words is "twenty-two billion, seventy-eight million, one hundred thirty-seven thousand, nine hundred sixty".
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