Base | Representation |
---|---|
bin | 1110010111001… |
… | …11101111111001 |
3 | 22101201100221222 |
4 | 13023213233321 |
5 | 221321040110 |
6 | 15542241425 |
7 | 2662056530 |
oct | 713475771 |
9 | 271640858 |
10 | 120486905 |
11 | 62014660 |
12 | 34426275 |
13 | 1bc67736 |
14 | 12005317 |
15 | a89ec55 |
hex | 72e7bf9 |
120486905 has 64 divisors (see below), whose sum is σ = 195955200. Its totient is φ = 68812800.
The previous prime is 120486893. The next prime is 120486937. The reversal of 120486905 is 509684021.
It is not a de Polignac number, because 120486905 - 24 = 120486889 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 268121 + ... + 268569.
It is an arithmetic number, because the mean of its divisors is an integer number (3061800).
Almost surely, 2120486905 is an apocalyptic number.
It is an amenable number.
120486905 is a deficient number, since it is larger than the sum of its proper divisors (75468295).
120486905 is a wasteful number, since it uses less digits than its factorization.
120486905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 530.
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 120486905 is about 10976.6527229388. The cubic root of 120486905 is about 493.9086318259.
The spelling of 120486905 in words is "one hundred twenty million, four hundred eighty-six thousand, nine hundred five".
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