Base | Representation |
---|---|
bin | 100101110000011111… |
… | …110011011000110000 |
3 | 10212122110002121021112 |
4 | 211300133303120300 |
5 | 1131012233401200 |
6 | 30342541412452 |
7 | 2633446041311 |
oct | 456037633060 |
9 | 125573077245 |
10 | 40542090800 |
11 | 16214a53972 |
12 | 7a3556a128 |
13 | 3a91483a53 |
14 | 1d6859c608 |
15 | 10c43b6535 |
hex | 9707f3630 |
40542090800 has 60 divisors (see below), whose sum is σ = 101637282000. Its totient is φ = 15511752960.
The previous prime is 40542090791. The next prime is 40542090829. The reversal of 40542090800 is 809024504.
40542090800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×405420908002 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2194175 + ... + 2212574.
It is an arithmetic number, because the mean of its divisors is an integer number (1693954700).
Almost surely, 240542090800 is an apocalyptic number.
40542090800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40542090800 is an abundant number, since it is smaller than the sum of its proper divisors (61095191200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40542090800 is a wasteful number, since it uses less digits than its factorization.
40542090800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4406790 (or 4406779 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
The spelling of 40542090800 in words is "forty billion, five hundred forty-two million, ninety thousand, eight hundred".
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