Search a number
-
+
3130309402 = 2111731994133
BaseRepresentation
bin1011101010010100…
…1011101100011010
322002011020012020021
42322211023230122
522402324400102
61234341221054
7140400122323
oct27245135432
98064205207
103130309402
111366a83870
1273440178a
133ab6aaaac
14219a4744a
15134c34137
hexba94bb1a

3130309402 has 32 divisors (see below), whose sum is σ = 5179075200. Its totient is φ = 1407193920.

The previous prime is 3130309397. The next prime is 3130309471. The reversal of 3130309402 is 2049030313.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 755328 + ... + 759460.

It is an arithmetic number, because the mean of its divisors is an integer number (161846100).

Almost surely, 23130309402 is an apocalyptic number.

3130309402 is a deficient number, since it is larger than the sum of its proper divisors (2048765798).

3130309402 is a wasteful number, since it uses less digits than its factorization.

3130309402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3130309402 is about 55949.1680188365. The cubic root of 3130309402 is about 1462.8363891954.

Adding to 3130309402 its reverse (2049030313), we get a palindrome (5179339715).

The spelling of 3130309402 in words is "three billion, one hundred thirty million, three hundred nine thousand, four hundred two".

Divisors: 1 2 11 22 173 199 346 398 1903 2189 3806 4133 4378 8266 34427 45463 68854 90926 378697 715009 757394 822467 1430018 1644934 7865099 9047137 15730198 18094274 142286791 284573582 1565154701 3130309402