Base | Representation |
---|---|
bin | 110111111001001100… |
… | …1111011111000010010 |
3 | 102110211011111200102111 |
4 | 1233302121323320102 |
5 | 3431310414032010 |
6 | 131050320535534 |
7 | 11446323453424 |
oct | 1576231737022 |
9 | 373734450374 |
10 | 120031002130 |
11 | 469a540a516 |
12 | 1b31a1815aa |
13 | b41b750520 |
14 | 5b494d6814 |
15 | 31c7a7b58a |
hex | 1bf267be12 |
120031002130 has 16 divisors (see below), whose sum is σ = 232675481304. Its totient is φ = 44319139200.
The previous prime is 120031002073. The next prime is 120031002181. The reversal of 120031002130 is 31200130021.
It can be written as a sum of positive squares in 4 ways, for example, as 42539475001 + 77491527129 = 206251^2 + 278373^2 .
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a self number, because there is not a number n which added to its sum of digits gives 120031002130.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461657571 + ... + 461657830.
Almost surely, 2120031002130 is an apocalyptic number.
120031002130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120031002130 is a deficient number, since it is larger than the sum of its proper divisors (112644479174).
120031002130 is a wasteful number, since it uses less digits than its factorization.
120031002130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923315421.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 120031002130 its reverse (31200130021), we get a palindrome (151231132151).
The spelling of 120031002130 in words is "one hundred twenty billion, thirty-one million, two thousand, one hundred thirty".
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