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3130013142 = 232173889619
BaseRepresentation
bin1011101010010000…
…0011010111010110
322002010200010211200
42322210003113112
522402240410032
61234331013330
7140364446514
oct27244032726
98063603750
103130013142
1113668a1223
1273429a246
133ab605ca9
142199ab4b4
15134bc647c
hexba9035d6

3130013142 has 12 divisors (see below), whose sum is σ = 6781695180. Its totient is φ = 1043337708.

The previous prime is 3130013093. The next prime is 3130013147. The reversal of 3130013142 is 2413100313.

3130013142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 173889619 = 3130013142 / (3 + 1 + 3 + 0 + 0 + 1 + 3 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130013147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86944792 + ... + 86944827.

It is an arithmetic number, because the mean of its divisors is an integer number (565141265).

Almost surely, 23130013142 is an apocalyptic number.

3130013142 is an abundant number, since it is smaller than the sum of its proper divisors (3651682038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3130013142 is a wasteful number, since it uses less digits than its factorization.

3130013142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173889627 (or 173889624 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3130013142 is about 55946.5203743718. The cubic root of 3130013142 is about 1462.7902389564.

Adding to 3130013142 its reverse (2413100313), we get a palindrome (5543113455).

The spelling of 3130013142 in words is "three billion, one hundred thirty million, thirteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 173889619 347779238 521668857 1043337714 1565006571 3130013142