Base | Representation |
---|---|
bin | 1111001101010110… |
… | …10111000001000010 |
3 | 210002001001201112020 |
4 | 13212223113001002 |
5 | 113210230442232 |
6 | 3430114142310 |
7 | 406224102102 |
oct | 74653270102 |
9 | 23061051466 |
10 | 8165093442 |
11 | 350aa89610 |
12 | 16ba581996 |
13 | a017c804c |
14 | 5765a1202 |
15 | 32bc5be2c |
hex | 1e6ad7042 |
8165093442 has 64 divisors (see below), whose sum is σ = 18277484544. Its totient is φ = 2410309440.
The previous prime is 8165093423. The next prime is 8165093479. The reversal of 8165093442 is 2443905618.
It is a junction number, because it is equal to n+sod(n) for n = 8165093394 and 8165093403.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123063 + ... + 1130309.
It is an arithmetic number, because the mean of its divisors is an integer number (285585696).
Almost surely, 28165093442 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8165093442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9138742272).
8165093442 is an abundant number, since it is smaller than the sum of its proper divisors (10112391102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8165093442 is a wasteful number, since it uses less digits than its factorization.
8165093442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7703.
The product of its (nonzero) digits is 207360, while the sum is 42.
The square root of 8165093442 is about 90360.9066023576. The cubic root of 8165093442 is about 2013.6642187909.
The spelling of 8165093442 in words is "eight billion, one hundred sixty-five million, ninety-three thousand, four hundred forty-two".
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