Base | Representation |
---|---|
bin | 100101101000000110… |
… | …101110101011001000 |
3 | 10212021122011200211200 |
4 | 211220012232223020 |
5 | 1130220213101133 |
6 | 30320552024200 |
7 | 2630116246065 |
oct | 455006565310 |
9 | 125248150750 |
10 | 40401300168 |
11 | 16152531879 |
12 | 79b6392060 |
13 | 3a6b25a898 |
14 | 1d539cdc6c |
15 | 10b6d55913 |
hex | 9681aeac8 |
40401300168 has 24 divisors (see below), whose sum is σ = 109420188150. Its totient is φ = 13467100032.
The previous prime is 40401300167. The next prime is 40401300169. The reversal of 40401300168 is 86100310404.
It is an interprime number because it is at equal distance from previous prime (40401300167) and next prime (40401300169).
It can be written as a sum of positive squares in only one way, i.e., 35028116964 + 5373183204 = 187158^2 + 73302^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is not an unprimeable number, because it can be changed into a prime (40401300167) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280564513 + ... + 280564656.
Almost surely, 240401300168 is an apocalyptic number.
It is an amenable number.
40401300168 is an abundant number, since it is smaller than the sum of its proper divisors (69018887982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40401300168 is a wasteful number, since it uses less digits than its factorization.
40401300168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 561129181 (or 561129174 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The spelling of 40401300168 in words is "forty billion, four hundred one million, three hundred thousand, one hundred sixty-eight".
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