Search a number
-
+
1313113412 = 221325252181
BaseRepresentation
bin100111001000100…
…1000010101000100
310101111212001222002
41032101020111010
510142124112122
6334144324432
744353164662
oct11621102504
93344761862
101313113412
116142445a6
12307913718
1317c0799b0
14c6575c32
157a430992
hex4e448544

1313113412 has 12 divisors (see below), whose sum is σ = 2474713836. Its totient is φ = 606052320.

The previous prime is 1313113409. The next prime is 1313113429. The reversal of 1313113412 is 2143113131.

It can be written as a sum of positive squares in 2 ways, for example, as 749335876 + 563777536 = 27374^2 + 23744^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12626039 + ... + 12626142.

It is an arithmetic number, because the mean of its divisors is an integer number (206226153).

Almost surely, 21313113412 is an apocalyptic number.

It is an amenable number.

1313113412 is a deficient number, since it is larger than the sum of its proper divisors (1161600424).

1313113412 is a wasteful number, since it uses less digits than its factorization.

1313113412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25252198 (or 25252196 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1313113412 is about 36236.9067664446. The cubic root of 1313113412 is about 1095.0503266348.

Adding to 1313113412 its reverse (2143113131), we get a palindrome (3456226543).

The spelling of 1313113412 in words is "one billion, three hundred thirteen million, one hundred thirteen thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 25252181 50504362 101008724 328278353 656556706 1313113412