Search a number
-
+
13131120303212 = 223282780075803
BaseRepresentation
bin1011111100010101001111…
…0000101101110001101100
31201111022201100111001222212
42333011103300231301230
53210120013244200322
643532204155425552
72523456254653022
oct277052360556154
951438640431885
1013131120303212
1142029710a124a
121580a957552b8
1374334a99c052
1433579a1d6712
1517b885a420e2
hexbf153c2dc6c

13131120303212 has 6 divisors (see below), whose sum is σ = 22979460530628. Its totient is φ = 6565560151604.

The previous prime is 13131120303181. The next prime is 13131120303229. The reversal of 13131120303212 is 21230302113131.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1641390037898 + ... + 1641390037905.

It is an arithmetic number, because the mean of its divisors is an integer number (3829910088438).

Almost surely, 213131120303212 is an apocalyptic number.

It is an amenable number.

13131120303212 is a deficient number, since it is larger than the sum of its proper divisors (9848340227416).

13131120303212 is a wasteful number, since it uses less digits than its factorization.

13131120303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282780075807 (or 3282780075805 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13131120303212 its reverse (21230302113131), we get a palindrome (34361422416343).

The spelling of 13131120303212 in words is "thirteen trillion, one hundred thirty-one billion, one hundred twenty million, three hundred three thousand, two hundred twelve".

Divisors: 1 2 4 3282780075803 6565560151606 13131120303212