Base | Representation |
---|---|
bin | 1110010101011… |
… | …10011001100001 |
3 | 22101021102201211 |
4 | 13022232121201 |
5 | 221241031001 |
6 | 15533230121 |
7 | 2660060632 |
oct | 712563141 |
9 | 271242654 |
10 | 120252001 |
11 | 61974121 |
12 | 34332341 |
13 | 1bbb483c |
14 | 11d83889 |
15 | a855351 |
hex | 72ae661 |
120252001 has 4 divisors (see below), whose sum is σ = 121316292. Its totient is φ = 119187712.
The previous prime is 120251987. The next prime is 120252019. The reversal of 120252001 is 100252021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100252021 = 199 ⋅503779.
It can be written as a sum of positive squares in 2 ways, for example, as 15210000 + 105042001 = 3900^2 + 10249^2 .
It is a cyclic number.
It is not a de Polignac number, because 120252001 - 215 = 120219233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120202001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531976 + ... + 532201.
It is an arithmetic number, because the mean of its divisors is an integer number (30329073).
Almost surely, 2120252001 is an apocalyptic number.
It is an amenable number.
120252001 is a deficient number, since it is larger than the sum of its proper divisors (1064291).
120252001 is a wasteful number, since it uses less digits than its factorization.
120252001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1064290.
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 120252001 is about 10965.9473370977. The cubic root of 120252001 is about 493.5874445175.
The spelling of 120252001 in words is "one hundred twenty million, two hundred fifty-two thousand, one".
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