Base | Representation |
---|---|
bin | 1010011101010111… |
… | …10111010101010101 |
3 | 112111022210002000120 |
4 | 11032223313111111 |
5 | 42444430321411 |
6 | 2325102502153 |
7 | 256101316545 |
oct | 51653672525 |
9 | 15438702016 |
10 | 5615088981 |
11 | 2421631507 |
12 | 1108594959 |
13 | 6b640b478 |
14 | 3b3a55325 |
15 | 22ce55106 |
hex | 14eaf7555 |
5615088981 has 32 divisors (see below), whose sum is σ = 7977216000. Its totient is φ = 3503176128.
The previous prime is 5615088977. The next prime is 5615089003. The reversal of 5615088981 is 1898805165.
It is not a de Polignac number, because 5615088981 - 22 = 5615088977 is a prime.
It is a super-2 number, since 2×56150889812 = 63058448529095236722, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5615088901) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2987400 + ... + 2989278.
It is an arithmetic number, because the mean of its divisors is an integer number (249288000).
Almost surely, 25615088981 is an apocalyptic number.
It is an amenable number.
5615088981 is a deficient number, since it is larger than the sum of its proper divisors (2362127019).
5615088981 is a wasteful number, since it uses less digits than its factorization.
5615088981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2513.
The product of its (nonzero) digits is 691200, while the sum is 51.
The square root of 5615088981 is about 74933.8974096503. The cubic root of 5615088981 is about 1777.4015215232.
The spelling of 5615088981 in words is "five billion, six hundred fifteen million, eighty-eight thousand, nine hundred eighty-one".
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