Search a number
-
+
131241400423422 = 2376819284741623
BaseRepresentation
bin11101110101110100000101…
…000011010101001111111110
3122012200112222211220211000220
4131311310011003111033332
5114200224342002022142
61143043244513202210
736433610151203442
oct3565640503251776
9565615884824026
10131241400423422
11388aa1900a0193
1212877567560366
13583001b0bb853
14245a190c76822
151028d53b962ec
hex775d050d53fe

131241400423422 has 16 divisors (see below), whose sum is σ = 262486218668160. Its totient is φ = 43746563837592.

The previous prime is 131241400423321. The next prime is 131241400423423. The reversal of 131241400423422 is 224324004142131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131241400423423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141909898 + ... + 142831725.

It is an arithmetic number, because the mean of its divisors is an integer number (16405388666760).

Almost surely, 2131241400423422 is an apocalyptic number.

131241400423422 is an abundant number, since it is smaller than the sum of its proper divisors (131244818244738).

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

131241400423422 is a wasteful number, since it uses less digits than its factorization.

131241400423422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284818447.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 131241400423422 its reverse (224324004142131), we get a palindrome (355565404565553).

The spelling of 131241400423422 in words is "one hundred thirty-one trillion, two hundred forty-one billion, four hundred million, four hundred twenty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 76819 153638 230457 460914 284741623 569483246 854224869 1708449738 21873566737237 43747133474474 65620700211711 131241400423422