Base | Representation |
---|---|
bin | 101010001010010011… |
… | …0011110000100111000 |
3 | 22122200212212121120121 |
4 | 1110110212132010320 |
5 | 2440411211122300 |
6 | 105332105103024 |
7 | 6353443545031 |
oct | 1242446360470 |
9 | 278625777517 |
10 | 90539942200 |
11 | 35441489714 |
12 | 15669787a74 |
13 | 86cb9507c6 |
14 | 454c8cda88 |
15 | 254d98481a |
hex | 151499e138 |
90539942200 has 48 divisors (see below), whose sum is σ = 211254626160. Its totient is φ = 36087072000.
The previous prime is 90539942179. The next prime is 90539942243. The reversal of 90539942200 is 224993509.
It is a happy number.
It is a super-2 number, since 2×905399422002 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
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, 749316 + ... + 861715.
It is an arithmetic number, because the mean of its divisors is an integer number (4401138045).
Almost surely, 290539942200 is an apocalyptic number.
It is an amenable number.
90539942200 is an abundant number, since it is smaller than the sum of its proper divisors (120714683960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90539942200 is a wasteful number, since it uses less digits than its factorization.
90539942200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1611328 (or 1611319 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 43.
The spelling of 90539942200 in words is "ninety billion, five hundred thirty-nine million, nine hundred forty-two thousand, two hundred".
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