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3130210042 = 2832227189
BaseRepresentation
bin1011101010010011…
…0011011011111010
322002011001010221021
42322210303123322
522402313210132
61234335133054
7140366226541
oct27244633372
98064033837
103130210042
111366a16153
1273437418a
133ab6747bb
14219a1d158
15134c14997
hexba9336fa

3130210042 has 12 divisors (see below), whose sum is σ = 4752587610. Its totient is φ = 1546241528.

The previous prime is 3130209989. The next prime is 3130210073. The reversal of 3130210042 is 2400120313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2455301601 + 674908441 = 49551^2 + 25979^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3130209998 and 3130210025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99817 + ... + 127372.

Almost surely, 23130210042 is an apocalyptic number.

3130210042 is a deficient number, since it is larger than the sum of its proper divisors (1622377568).

3130210042 is an equidigital number, since it uses as much as digits as its factorization.

3130210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227357 (or 227274 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3130210042 is about 55948.2800629295. The cubic root of 3130210042 is about 1462.8209116028.

Adding to 3130210042 its reverse (2400120313), we get a palindrome (5530330355).

The spelling of 3130210042 in words is "three billion, one hundred thirty million, two hundred ten thousand, forty-two".

Divisors: 1 2 83 166 6889 13778 227189 454378 18856687 37713374 1565105021 3130210042