Base | Representation |
---|---|
bin | 111111100000110… |
… | …0001001010111100 |
3 | 12111112001022201020 |
4 | 1333001201022330 |
5 | 13331030320234 |
6 | 551244544140 |
7 | 103545042330 |
oct | 17701411274 |
9 | 5445038636 |
10 | 2131104444 |
11 | 9a3a53347 |
12 | 4b5852050 |
13 | 27c68b761 |
14 | 1630657c0 |
15 | c715d549 |
hex | 7f0612bc |
2131104444 has 48 divisors (see below), whose sum is σ = 5739234816. Its totient is φ = 602856000.
The previous prime is 2131104427. The next prime is 2131104461. The reversal of 2131104444 is 4444011312.
It is an interprime number because it is at equal distance from previous prime (2131104427) and next prime (2131104461).
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, 117112 + ... + 134079.
It is an arithmetic number, because the mean of its divisors is an integer number (119567392).
Almost surely, 22131104444 is an apocalyptic number.
It is an amenable number.
2131104444 is an abundant number, since it is smaller than the sum of its proper divisors (3608130372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131104444 is a wasteful number, since it uses less digits than its factorization.
2131104444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251306 (or 251304 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 2131104444 is about 46163.8867947663. The cubic root of 2131104444 is about 1286.8706963743.
Adding to 2131104444 its reverse (4444011312), we get a palindrome (6575115756).
The spelling of 2131104444 in words is "two billion, one hundred thirty-one million, one hundred four thousand, four hundred forty-four".
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