Base | Representation |
---|---|
bin | 111010010101110111110… |
… | …1011010110101010100110 |
3 | 1001101112222011212011221000 |
4 | 1310223233223112222212 |
5 | 2022333221101001430 |
6 | 25015341012534130 |
7 | 1455212113142541 |
oct | 164535753265246 |
9 | 31345864764830 |
10 | 8018430093990 |
11 | 2611662825678 |
12 | a96038021346 |
13 | 462199c71a14 |
14 | 1da146265858 |
15 | dd89ee78e60 |
hex | 74aefad6aa6 |
8018430093990 has 128 divisors (see below), whose sum is σ = 23370605015040. Its totient is φ = 1947550348800.
The previous prime is 8018430093977. The next prime is 8018430094009. The reversal of 8018430093990 is 993900348108.
8018430093990 is a `hidden beast` number, since 80 + 18 + 430 + 0 + 9 + 39 + 90 = 666.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28034076 + ... + 28318655.
It is an arithmetic number, because the mean of its divisors is an integer number (182582851680).
Almost surely, 28018430093990 is an apocalyptic number.
8018430093990 is an abundant number, since it is smaller than the sum of its proper divisors (15352174921050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8018430093990 is a wasteful number, since it uses less digits than its factorization.
8018430093990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56352795 (or 56352789 counting only the distinct ones).
The product of its (nonzero) digits is 1679616, while the sum is 54.
The spelling of 8018430093990 in words is "eight trillion, eighteen billion, four hundred thirty million, ninety-three thousand, nine hundred ninety".
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