Search a number
-
+
131112412442202 = 23119634718265661
BaseRepresentation
bin11101110011111011111100…
…110001001110111001011010
3122012020020001110021110012010
4131303323330301032321122
5114141121210041122302
61142504113305130350
736421362543355242
oct3563737461167132
9565206043243163
10131112412442202
113885a509803814
12128565697899b6
135820b02aa18c9
142453c35d66b22
151025804ada16c
hex773efcc4ee5a

131112412442202 has 16 divisors (see below), whose sum is σ = 262225058428512. Its totient is φ = 43704098556720.

The previous prime is 131112412442069. The next prime is 131112412442213. The reversal of 131112412442202 is 202244214211131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131112412442202.

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, 1954749 + ... + 16310912.

It is an arithmetic number, because the mean of its divisors is an integer number (16389066151782).

Almost surely, 2131112412442202 is an apocalyptic number.

131112412442202 is an abundant number, since it is smaller than the sum of its proper divisors (131112645986310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131112412442202 is a wasteful number, since it uses less digits than its factorization.

131112412442202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19462013.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 131112412442202 its reverse (202244214211131), we get a palindrome (333356626653333).

The spelling of 131112412442202 in words is "one hundred thirty-one trillion, one hundred twelve billion, four hundred twelve million, four hundred forty-two thousand, two hundred two".

Divisors: 1 2 3 6 1196347 2392694 3589041 7178082 18265661 36531322 54796983 109593966 21852068740367 43704137480734 65556206221101 131112412442202