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131434040040042 = 2321905673340007
BaseRepresentation
bin11101111000100111011111…
…010001001001101001101010
3122020100222020020100021200110
4131320213133101021221222
5114211403403222240132
61143311544152515150
736453540016006665
oct3570473721115152
9566328206307613
10131434040040042
1138973955140413
12128a896a0abab6
13584523b55468c
1424656275ca6dc
15102dd7ad661cc
hex7789df449a6a

131434040040042 has 8 divisors (see below), whose sum is σ = 262868080080096. Its totient is φ = 43811346680012.

The previous prime is 131434040040011. The next prime is 131434040040049. The reversal of 131434040040042 is 240040040434131.

It is a sphenic number, since it is the product of 3 distinct primes.

131434040040042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 131434040039991 and 131434040040009.

It is not an unprimeable number, because it can be changed into a prime (131434040040049) 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, 10952836669998 + ... + 10952836670009.

It is an arithmetic number, because the mean of its divisors is an integer number (32858510010012).

Almost surely, 2131434040040042 is an apocalyptic number.

131434040040042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131434040040042 is a wasteful number, since it uses less digits than its factorization.

131434040040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21905673340012.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131434040040042 its reverse (240040040434131), we get a palindrome (371474080474173).

The spelling of 131434040040042 in words is "one hundred thirty-one trillion, four hundred thirty-four billion, forty million, forty thousand, forty-two".

Divisors: 1 2 3 6 21905673340007 43811346680014 65717020020021 131434040040042