Base | Representation |
---|---|
bin | 1110010011100110… |
… | …11011001101010100 |
3 | 201211021112101102201 |
4 | 13021303123031110 |
5 | 111212222343000 |
6 | 3310051214244 |
7 | 361222414351 |
oct | 71163331524 |
9 | 21737471381 |
10 | 7680668500 |
11 | 329159aa1a |
12 | 15a42a7384 |
13 | 95533727b |
14 | 52c101628 |
15 | 2ee46d96a |
hex | 1c9cdb354 |
7680668500 has 48 divisors (see below), whose sum is σ = 17315730432. Its totient is φ = 2973156000.
The previous prime is 7680668477. The next prime is 7680668503. The reversal of 7680668500 is 58660867.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7680668503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232264 + ... + 263263.
It is an arithmetic number, because the mean of its divisors is an integer number (360744384).
Almost surely, 27680668500 is an apocalyptic number.
It is an amenable number.
7680668500 is an abundant number, since it is smaller than the sum of its proper divisors (9635061932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7680668500 is a wasteful number, since it uses less digits than its factorization.
7680668500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495577 (or 495565 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 46.
The square root of 7680668500 is about 87639.4232066825. The cubic root of 7680668500 is about 1973.0269030386.
The spelling of 7680668500 in words is "seven billion, six hundred eighty million, six hundred sixty-eight thousand, five hundred".
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