Search a number
-
+
13111232132 = 2231299935257
BaseRepresentation
bin11000011010111110…
…11000011010000100
31020211202002121021002
430031133120122010
5203322433412012
610005003112432
7642623430365
oct141537303204
936752077232
1013111232132
115618a48839
12265ab12718
13130c448b2b
148c5441b6c
1551b0c47c2
hex30d7d8684

13111232132 has 24 divisors (see below), whose sum is σ = 23693376000. Its totient is φ = 6341849280.

The previous prime is 13111232117. The next prime is 13111232143. The reversal of 13111232132 is 23123211131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354248 + ... + 389504.

It is an arithmetic number, because the mean of its divisors is an integer number (987224000).

Almost surely, 213111232132 is an apocalyptic number.

It is an amenable number.

13111232132 is a deficient number, since it is larger than the sum of its proper divisors (10582143868).

13111232132 is a wasteful number, since it uses less digits than its factorization.

13111232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38291 (or 38289 counting only the distinct ones).

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

Adding to 13111232132 its reverse (23123211131), we get a palindrome (36234443263).

The spelling of 13111232132 in words is "thirteen billion, one hundred eleven million, two hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 31 62 124 2999 5998 11996 35257 70514 92969 141028 185938 371876 1092967 2185934 4371868 105735743 211471486 422942972 3277808033 6555616066 13111232132