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13102230043 = 71871747149
BaseRepresentation
bin11000011001111010…
…00010101000011011
31020211010011020201101
430030331002220123
5203313132330133
610004042132231
7642454055260
oct141475025033
936733136641
1013102230043
11561395a3a1
122657ab1077
13130a616556
148c417b267
1551a3e737d
hex30cf42a1b

13102230043 has 4 divisors (see below), whose sum is σ = 14973977200. Its totient is φ = 11230482888.

The previous prime is 13102229999. The next prime is 13102230061. The reversal of 13102230043 is 34003220131.

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 13102230043 - 29 = 13102229531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13102230043.

It is not an unprimeable number, because it can be changed into a prime (13102230643) 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, 935873568 + ... + 935873581.

It is an arithmetic number, because the mean of its divisors is an integer number (3743494300).

Almost surely, 213102230043 is an apocalyptic number.

13102230043 is a deficient number, since it is larger than the sum of its proper divisors (1871747157).

13102230043 is an equidigital number, since it uses as much as digits as its factorization.

13102230043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871747156.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13102230043 its reverse (34003220131), we get a palindrome (47105450174).

The spelling of 13102230043 in words is "thirteen billion, one hundred two million, two hundred thirty thousand, forty-three".

Divisors: 1 7 1871747149 13102230043