Search a number
-
+
13291597042 = 228336716397
BaseRepresentation
bin11000110000011110…
…11010110011110010
31021022022111002101221
430120033122303302
5204210122101132
610034525015254
7650243465533
oct143017326362
937268432357
1013291597042
11570083a649
1226ab3b452a
13133a919b29
1490139268a
1552bd50e97
hex3183dacf2

13291597042 has 16 divisors (see below), whose sum is σ = 20016424512. Its totient is φ = 6619476240.

The previous prime is 13291596991. The next prime is 13291597049. The reversal of 13291597042 is 24079519231.

It is a self number, because there is not a number n which added to its sum of digits gives 13291597042.

It is not an unprimeable number, because it can be changed into a prime (13291597049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2074588 + ... + 2080984.

It is an arithmetic number, because the mean of its divisors is an integer number (1251026532).

Almost surely, 213291597042 is an apocalyptic number.

13291597042 is a deficient number, since it is larger than the sum of its proper divisors (6724827470).

13291597042 is a wasteful number, since it uses less digits than its factorization.

13291597042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10353.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 13291597042 in words is "thirteen billion, two hundred ninety-one million, five hundred ninety-seven thousand, forty-two".

Divisors: 1 2 283 566 3671 6397 7342 12794 1038893 1810351 2077786 3620702 23483387 46966774 6645798521 13291597042