Search a number
-
+
131610770212 = 2282913968483
BaseRepresentation
bin111101010010010011…
…1001111101100100100
3110120201011212211221211
41322210213033230210
54124014324121322
6140243335321204
712336303042265
oct1724447175444
9416634784854
10131610770212
11508a7937689
1221610220204
13c54580b8bc
1465273a496c
15365448db77
hex1ea49cfb24

131610770212 has 12 divisors (see below), whose sum is σ = 230346685296. Its totient is φ = 65797431560.

The previous prime is 131610770201. The next prime is 131610770219. The reversal of 131610770212 is 212077016131.

It is not an unprimeable number, because it can be changed into a prime (131610770219) 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, 1951078 + ... + 2017405.

It is an arithmetic number, because the mean of its divisors is an integer number (19195557108).

Almost surely, 2131610770212 is an apocalyptic number.

It is an amenable number.

131610770212 is a deficient number, since it is larger than the sum of its proper divisors (98735915084).

131610770212 is a wasteful number, since it uses less digits than its factorization.

131610770212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976778 (or 3976776 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

Adding to 131610770212 its reverse (212077016131), we get a palindrome (343687786343).

The spelling of 131610770212 in words is "one hundred thirty-one billion, six hundred ten million, seven hundred seventy thousand, two hundred twelve".

Divisors: 1 2 4 8291 16582 33164 3968483 7936966 15873932 32902692553 65805385106 131610770212