Base | Representation |
---|---|
bin | 1110010100001… |
… | …10100100111011 |
3 | 22100222010222201 |
4 | 13022012210323 |
5 | 221220321031 |
6 | 15525531031 |
7 | 2655511246 |
oct | 712064473 |
9 | 270863881 |
10 | 120088891 |
11 | 6187261a |
12 | 34273a77 |
13 | 1bb58520 |
14 | 11d4025d |
15 | a821d61 |
hex | 728693b |
120088891 has 8 divisors (see below), whose sum is σ = 129434480. Its totient is φ = 110758752.
The previous prime is 120088853. The next prime is 120088907. The reversal of 120088891 is 198880021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 120088891 - 27 = 120088763 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 120088891.
It is not an unprimeable number, because it can be changed into a prime (120083891) 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, 16165 + ... + 22393.
It is an arithmetic number, because the mean of its divisors is an integer number (16179310).
Almost surely, 2120088891 is an apocalyptic number.
120088891 is a deficient number, since it is larger than the sum of its proper divisors (9345589).
120088891 is a wasteful number, since it uses less digits than its factorization.
120088891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7725.
The product of its (nonzero) digits is 9216, while the sum is 37.
The square root of 120088891 is about 10958.5076995000. The cubic root of 120088891 is about 493.3641759489.
The spelling of 120088891 in words is "one hundred twenty million, eighty-eight thousand, eight hundred ninety-one".
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