Base | Representation |
---|---|
bin | 1110011001101… |
… | …11010001010100 |
3 | 22102022220202210 |
4 | 13030313101110 |
5 | 221412001003 |
6 | 15553233420 |
7 | 2664614256 |
oct | 714672124 |
9 | 272286683 |
10 | 120812628 |
11 | 62217352 |
12 | 34562870 |
13 | 1c04ca81 |
14 | 1208bcd6 |
15 | a916503 |
hex | 7337454 |
120812628 has 48 divisors (see below), whose sum is σ = 290727360. Its totient is φ = 39024384.
The previous prime is 120812623. The next prime is 120812633. The reversal of 120812628 is 826218021.
It is an interprime number because it is at equal distance from previous prime (120812623) and next prime (120812633).
It is a junction number, because it is equal to n+sod(n) for n = 120812595 and 120812604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120812623) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69838 + ... + 71546.
It is an arithmetic number, because the mean of its divisors is an integer number (6056820).
Almost surely, 2120812628 is an apocalyptic number.
It is an amenable number.
120812628 is an abundant number, since it is smaller than the sum of its proper divisors (169914732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120812628 is a wasteful number, since it uses less digits than its factorization.
120812628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1896 (or 1894 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 120812628 is about 10991.4797911837. The cubic root of 120812628 is about 494.3533071130.
The spelling of 120812628 in words is "one hundred twenty million, eight hundred twelve thousand, six hundred twenty-eight".
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