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3130025111 = 18671167641
BaseRepresentation
bin1011101010010000…
…0110010010010111
322002010200202020222
42322210012102113
522402241300421
61234331144555
7140364526433
oct27244062227
98063622228
103130025111
1113668aa214
127342a515b
133ab60b585
142199b19c3
15134bc9cab
hexba906497

3130025111 has 4 divisors (see below), whose sum is σ = 3130211424. Its totient is φ = 3129838800.

The previous prime is 3130025099. The next prime is 3130025117. The reversal of 3130025111 is 1115200313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3130025111 - 210 = 3130024087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3130025111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130025117) 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, 65150 + ... + 102491.

It is an arithmetic number, because the mean of its divisors is an integer number (782552856).

Almost surely, 23130025111 is an apocalyptic number.

3130025111 is a deficient number, since it is larger than the sum of its proper divisors (186313).

3130025111 is a wasteful number, since it uses less digits than its factorization.

3130025111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186312.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 3130025111 is about 55946.6273424949. The cubic root of 3130025111 is about 1462.7921034975.

Adding to 3130025111 its reverse (1115200313), we get a palindrome (4245225424).

The spelling of 3130025111 in words is "three billion, one hundred thirty million, twenty-five thousand, one hundred eleven".

Divisors: 1 18671 167641 3130025111