Base | Representation |
---|---|
bin | 1101000001010001… |
… | …10010101001001110 |
3 | 200001010221120000110 |
4 | 12200220302221032 |
5 | 103303420440204 |
6 | 3113340140450 |
7 | 335135101431 |
oct | 64050625116 |
9 | 20033846013 |
10 | 6990015054 |
11 | 2a67754850 |
12 | 1430b37726 |
13 | 87521b1a9 |
14 | 4a44bb818 |
15 | 2ad9e5889 |
hex | 1a0a32a4e |
6990015054 has 32 divisors (see below), whose sum is σ = 15914029824. Its totient is φ = 2026090880.
The previous prime is 6990015049. The next prime is 6990015079. The reversal of 6990015054 is 4505100996.
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, 2300859 + ... + 2303894.
It is an arithmetic number, because the mean of its divisors is an integer number (497313432).
Almost surely, 26990015054 is an apocalyptic number.
6990015054 is an abundant number, since it is smaller than the sum of its proper divisors (8924014770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6990015054 is a wasteful number, since it uses less digits than its factorization.
6990015054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4604792.
The product of its (nonzero) digits is 48600, while the sum is 39.
The square root of 6990015054 is about 83606.3098934524. The cubic root of 6990015054 is about 1912.0212016507.
The spelling of 6990015054 in words is "six billion, nine hundred ninety million, fifteen thousand, fifty-four".
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