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142355205413431 = 234653606662627
BaseRepresentation
bin100000010111100010100111…
…011100110101101000110111
3200200001000200000201222202021
4200113202213130311220313
5122124321430041212211
61222433024544454011
741661552461011633
oct4027424734655067
9620030600658667
10142355205413431
11413a455a29954a
1213b7148631a307
13615806610327a
142722058aa1dc3
15116cebb4ec771
hex8178a7735a37

142355205413431 has 4 divisors (see below), whose sum is σ = 142355812310712. Its totient is φ = 142354598516152.

The previous prime is 142355205413419. The next prime is 142355205413479. The reversal of 142355205413431 is 134314502553241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142355205413431 - 29 = 142355205412919 is a prime.

It is a super-2 number, since 2×1423552054134312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142355205413131) 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, 303096661 + ... + 303565966.

It is an arithmetic number, because the mean of its divisors is an integer number (35588953077678).

Almost surely, 2142355205413431 is an apocalyptic number.

142355205413431 is a deficient number, since it is larger than the sum of its proper divisors (606897281).

142355205413431 is an equidigital number, since it uses as much as digits as its factorization.

142355205413431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606897280.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 142355205413431 its reverse (134314502553241), we get a palindrome (276669707966672).

The spelling of 142355205413431 in words is "one hundred forty-two trillion, three hundred fifty-five billion, two hundred five million, four hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 234653 606662627 142355205413431