Base | Representation |
---|---|
bin | 1001111111001100… |
… | …1011001111110100 |
3 | 20220211202112200000 |
4 | 2133303023033310 |
5 | 20442313232011 |
6 | 1122010551300 |
7 | 123303030261 |
oct | 23763131764 |
9 | 6824675600 |
10 | 2680992756 |
11 | 11563945a2 |
12 | 629a38530 |
13 | 339590160 |
14 | 1b60c6268 |
15 | 10a57d356 |
hex | 9fccb3f4 |
2680992756 has 144 divisors (see below), whose sum is σ = 7603272768. Its totient is φ = 821145600.
The previous prime is 2680992751. The next prime is 2680992791. The reversal of 2680992756 is 6572990862.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2680992751) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4182196 + ... + 4182836.
Almost surely, 22680992756 is an apocalyptic number.
2680992756 is a gapful number since it is divisible by the number (26) 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 2680992756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3801636384).
2680992756 is an abundant number, since it is smaller than the sum of its proper divisors (4922280012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2680992756 is a wasteful number, since it uses less digits than its factorization.
2680992756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1004 (or 990 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The square root of 2680992756 is about 51778.3039119668. The cubic root of 2680992756 is about 1389.2014038382.
The spelling of 2680992756 in words is "two billion, six hundred eighty million, nine hundred ninety-two thousand, seven hundred fifty-six".
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