Base | Representation |
---|---|
bin | 1101110010110011010000… |
… | …1100001101111000110100 |
3 | 1222200220010211222100112122 |
4 | 3130230310030031320310 |
5 | 3441441244203440040 |
6 | 52131203401135112 |
7 | 3123510441431321 |
oct | 334546414157064 |
9 | 58626124870478 |
10 | 15166405140020 |
11 | 4918044350192 |
12 | 184b42648a498 |
13 | 860255476184 |
14 | 3a60b4d39b48 |
15 | 1b47a65b61b5 |
hex | dcb3430de34 |
15166405140020 has 48 divisors (see below), whose sum is σ = 31927150080000. Its totient is φ = 6051776720640.
The previous prime is 15166405139969. The next prime is 15166405140053. The reversal of 15166405140020 is 2004150466151.
15166405140020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16286981 + ... + 17192979.
It is an arithmetic number, because the mean of its divisors is an integer number (665148960000).
Almost surely, 215166405140020 is an apocalyptic number.
15166405140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15166405140020 is an abundant number, since it is smaller than the sum of its proper divisors (16760744939980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15166405140020 is a wasteful number, since it uses less digits than its factorization.
15166405140020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 908048 (or 908046 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 35.
The spelling of 15166405140020 in words is "fifteen trillion, one hundred sixty-six billion, four hundred five million, one hundred forty thousand, twenty".
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