Base | Representation |
---|---|
bin | 1110010101011… |
… | …10001011111011 |
3 | 22101021101112121 |
4 | 13022232023323 |
5 | 221241014011 |
6 | 15533222111 |
7 | 2660055250 |
oct | 712561373 |
9 | 271241477 |
10 | 120251131 |
11 | 61973500 |
12 | 34331937 |
13 | 1bbb4320 |
14 | 11d83427 |
15 | a854e71 |
hex | 72ae2fb |
120251131 has 48 divisors (see below), whose sum is σ = 166120192. Its totient is φ = 84680640.
The previous prime is 120251119. The next prime is 120251141. The reversal of 120251131 is 131152021.
It is not a de Polignac number, because 120251131 - 213 = 120242939 is a prime.
It is a super-2 number, since 2×1202511312 = 28920669013558322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (120251141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 737656 + ... + 737818.
Almost surely, 2120251131 is an apocalyptic number.
120251131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
120251131 is a deficient number, since it is larger than the sum of its proper divisors (45869061).
120251131 is a wasteful number, since it uses less digits than its factorization.
120251131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272 (or 261 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 16.
The square root of 120251131 is about 10965.9076687705. The cubic root of 120251131 is about 493.5862541780.
The spelling of 120251131 in words is "one hundred twenty million, two hundred fifty-one thousand, one hundred thirty-one".
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