Base | Representation |
---|---|
bin | 111110101010111… |
… | …1100000011010000 |
3 | 12102112222112121000 |
4 | 1331111330003100 |
5 | 13301320343432 |
6 | 544400302000 |
7 | 103053244341 |
oct | 17525740320 |
9 | 5375875530 |
10 | 2102902992 |
11 | 98a041163 |
12 | 4a8311900 |
13 | 2768962c8 |
14 | 15d4040c8 |
15 | c493c57c |
hex | 7d57c0d0 |
2102902992 has 320 divisors, whose sum is σ = 6717427200. Its totient is φ = 627056640.
The previous prime is 2102902987. The next prime is 2102903017. The reversal of 2102902992 is 2992092012.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19292634 + ... + 19292742.
It is an arithmetic number, because the mean of its divisors is an integer number (20991960).
Almost surely, 22102902992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2102902992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3358713600).
2102902992 is an abundant number, since it is smaller than the sum of its proper divisors (4614524208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102902992 is a wasteful number, since it uses less digits than its factorization.
2102902992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251 (or 239 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 36.
The square root of 2102902992 is about 45857.4202501624. The cubic root of 2102902992 is about 1281.1689744137.
The spelling of 2102902992 in words is "two billion, one hundred two million, nine hundred two thousand, nine hundred ninety-two".
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