Base | Representation |
---|---|
bin | 1110011001111… |
… | …10101101001001 |
3 | 22102101110112200 |
4 | 13030332231021 |
5 | 221413434311 |
6 | 15554030413 |
7 | 2665102122 |
oct | 714765511 |
9 | 272343480 |
10 | 120843081 |
11 | 62238217 |
12 | 34578409 |
13 | 1c0608a8 |
14 | 12099049 |
15 | a920556 |
hex | 733eb49 |
120843081 has 12 divisors (see below), whose sum is σ = 182140608. Its totient is φ = 77059224.
The previous prime is 120843077. The next prime is 120843101. The reversal of 120843081 is 180348021.
It is not a de Polignac number, because 120843081 - 22 = 120843077 is a prime.
It is a super-2 number, since 2×1208430812 = 29206100451145122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (120843581) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291685 + ... + 292098.
It is an arithmetic number, because the mean of its divisors is an integer number (15178384).
Almost surely, 2120843081 is an apocalyptic number.
It is an amenable number.
120843081 is a deficient number, since it is larger than the sum of its proper divisors (61297527).
120843081 is a wasteful number, since it uses less digits than its factorization.
120843081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 583812 (or 583809 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 120843081 is about 10992.8650041743. The cubic root of 120843081 is about 494.3948405100.
The spelling of 120843081 in words is "one hundred twenty million, eight hundred forty-three thousand, eighty-one".
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