Base | Representation |
---|---|
bin | 1001001001110111… |
… | …1010110101001000 |
3 | 20100020212121202220 |
4 | 2102131322311020 |
5 | 20013033113210 |
6 | 1043500454040 |
7 | 114615563400 |
oct | 22235726510 |
9 | 6306777686 |
10 | 2457316680 |
11 | 1051100435 |
12 | 586b4a320 |
13 | 302136450 |
14 | 1944dd800 |
15 | e5ae8c70 |
hex | 9277ad48 |
2457316680 has 768 divisors, whose sum is σ = 10259343360. Its totient is φ = 464486400.
The previous prime is 2457316669. The next prime is 2457316681. The reversal of 2457316680 is 866137542.
2457316680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (2457316681) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 40283850 + ... + 40283910.
It is an arithmetic number, because the mean of its divisors is an integer number (13358520).
Almost surely, 22457316680 is an apocalyptic number.
2457316680 is a gapful number since it is divisible by the number (20) 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 2457316680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5129671680).
2457316680 is an abundant number, since it is smaller than the sum of its proper divisors (7802026680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2457316680 is a wasteful number, since it uses less digits than its factorization.
2457316680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150 (or 139 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 42.
The square root of 2457316680 is about 49571.3292135686. The cubic root of 2457316680 is about 1349.4404045596.
The spelling of 2457316680 in words is "two billion, four hundred fifty-seven million, three hundred sixteen thousand, six hundred eighty".
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