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120231312130 = 2512023131213
BaseRepresentation
bin110111111111001011…
…0000011101100000010
3102111100010102111002101
41233332112003230002
53432213203442010
6131122234141014
711454305201536
oct1577626035402
9374303374071
10120231312130
1146a98494376
121b37528176a
13b4510b5957
145b67d59bc6
1531da44773a
hex1bfe583b02

120231312130 has 8 divisors (see below), whose sum is σ = 216416361852. Its totient is φ = 48092524848.

The previous prime is 120231312121. The next prime is 120231312139. The reversal of 120231312130 is 31213132021.

It is an interprime number because it is at equal distance from previous prime (120231312121) and next prime (120231312139).

It can be written as a sum of positive squares in 2 ways, for example, as 117690849721 + 2540462409 = 343061^2 + 50403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 120231312098 and 120231312107.

It is not an unprimeable number, because it can be changed into a prime (120231312139) 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, 6011565597 + ... + 6011565616.

Almost surely, 2120231312130 is an apocalyptic number.

120231312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120231312130 is a deficient number, since it is larger than the sum of its proper divisors (96185049722).

120231312130 is a wasteful number, since it uses less digits than its factorization.

120231312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12023131220.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120231312130 its reverse (31213132021), we get a palindrome (151444444151).

The spelling of 120231312130 in words is "one hundred twenty billion, two hundred thirty-one million, three hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 12023131213 24046262426 60115656065 120231312130