Base | Representation |
---|---|
bin | 1010000001100100… |
… | …1100111111011100 |
3 | 20221112112000001000 |
4 | 2200121030333130 |
5 | 21002341230442 |
6 | 1123004350300 |
7 | 123453536301 |
oct | 24031147734 |
9 | 6845460030 |
10 | 2690961372 |
11 | 1160a83120 |
12 | 631245390 |
13 | 33b670648 |
14 | 1b755d0a8 |
15 | 10b39bd4c |
hex | a064cfdc |
2690961372 has 96 divisors (see below), whose sum is σ = 7620963840. Its totient is φ = 814354560.
The previous prime is 2690961341. The next prime is 2690961391. The reversal of 2690961372 is 2731690962.
It is a happy number.
2690961372 is a `hidden beast` number, since 26 + 9 + 0 + 9 + 613 + 7 + 2 = 666.
2690961372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×26909613722 = 14482546211192244768, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1623168 + ... + 1624824.
It is an arithmetic number, because the mean of its divisors is an integer number (79385040).
Almost surely, 22690961372 is an apocalyptic number.
2690961372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2690961372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3810481920).
2690961372 is an abundant number, since it is smaller than the sum of its proper divisors (4930002468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2690961372 is a wasteful number, since it uses less digits than its factorization.
2690961372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3048 (or 3040 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 45.
The square root of 2690961372 is about 51874.4770768824. The cubic root of 2690961372 is about 1390.9210761122.
The spelling of 2690961372 in words is "two billion, six hundred ninety million, nine hundred sixty-one thousand, three hundred seventy-two".
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