Base | Representation |
---|---|
bin | 1110111000111110… |
… | …10100011001110110 |
3 | 202122010102122120210 |
4 | 13130133110121312 |
5 | 112333001233404 |
6 | 3401130410250 |
7 | 402050165034 |
oct | 73437243166 |
9 | 22563378523 |
10 | 7994164854 |
11 | 3432552415 |
12 | 1671290986 |
13 | 9a527c180 |
14 | 55b9c9554 |
15 | 31bc46689 |
hex | 1dc7d4676 |
7994164854 has 16 divisors (see below), whose sum is σ = 17218201392. Its totient is φ = 2459743008.
The previous prime is 7994164769. The next prime is 7994164859. The reversal of 7994164854 is 4584614997.
It is a junction number, because it is equal to n+sod(n) for n = 7994164794 and 7994164803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7994164859) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51244569 + ... + 51244724.
It is an arithmetic number, because the mean of its divisors is an integer number (1076137587).
Almost surely, 27994164854 is an apocalyptic number.
7994164854 is an abundant number, since it is smaller than the sum of its proper divisors (9224036538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7994164854 is a wasteful number, since it uses less digits than its factorization.
7994164854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102489311.
The product of its digits is 8709120, while the sum is 57.
The square root of 7994164854 is about 89410.0936919317. The cubic root of 7994164854 is about 1999.5136195600.
The spelling of 7994164854 in words is "seven billion, nine hundred ninety-four million, one hundred sixty-four thousand, eight hundred fifty-four".
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