Search a number
-
+
131214243443242 = 21747223051368129
BaseRepresentation
bin11101110101011010110010…
…010111101011001000101010
3122012120221220020021021200011
4131311122302113223020222
5114144303232310140432
61143022554041002134
736431626162526221
oct3565326227531052
9565527806237604
10131214243443242
1138899714748013
121287224878334a
13582a5b0a36bcb
142458b3624dcb8
1510282b4953847
hex7756b25eb22a

131214243443242 has 32 divisors (see below), whose sum is σ = 212834648113920. Its totient is φ = 60433659494400.

The previous prime is 131214243443207. The next prime is 131214243443317. The reversal of 131214243443242 is 242344342412131.

It is a junction number, because it is equal to n+sod(n) for n = 131214243443195 and 131214243443204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356251434 + ... + 356619562.

It is an arithmetic number, because the mean of its divisors is an integer number (6651082753560).

Almost surely, 2131214243443242 is an apocalyptic number.

131214243443242 is a deficient number, since it is larger than the sum of its proper divisors (81620404670678).

131214243443242 is a wasteful number, since it uses less digits than its factorization.

131214243443242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591246.

The product of its digits is 442368, while the sum is 40.

Adding to 131214243443242 its reverse (242344342412131), we get a palindrome (373558585855373).

The spelling of 131214243443242 in words is "one hundred thirty-one trillion, two hundred fourteen billion, two hundred forty-three million, four hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 17 34 47 94 799 1598 223051 368129 446102 736258 3791867 6258193 7583734 10483397 12516386 17302063 20966794 34604126 178217749 294135071 356435498 588270142 82111541579 164223083158 1395896206843 2791792413686 3859242454213 7718484908426 65607121721621 131214243443242