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42342413431 = 234144901817
BaseRepresentation
bin100111011011110011…
…011111010001110111
311001021220201110122111
4213123303133101313
51143204124212211
631241332511451
73026166401323
oct473363372167
9131256643574
1042342413431
1116a59208a0a
12825847b587
133cba457906
14209971a983
15117c485421
hex9dbcdf477

42342413431 has 8 divisors (see below), whose sum is σ = 45261032544. Its totient is φ = 39513598080.

The previous prime is 42342413423. The next prime is 42342413437. The reversal of 42342413431 is 13431424324.

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

It is a cyclic number.

It is not a de Polignac number, because 42342413431 - 23 = 42342413423 is a prime.

It is a super-2 number, since 2×423424134312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42342413393 and 42342413402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342413437) 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, 22449966 + ... + 22451851.

It is an arithmetic number, because the mean of its divisors is an integer number (5657629068).

Almost surely, 242342413431 is an apocalyptic number.

42342413431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42342413431 is a deficient number, since it is larger than the sum of its proper divisors (2918619113).

42342413431 is a wasteful number, since it uses less digits than its factorization.

42342413431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44901881.

The product of its digits is 27648, while the sum is 31.

Adding to 42342413431 its reverse (13431424324), we get a palindrome (55773837755).

The spelling of 42342413431 in words is "forty-two billion, three hundred forty-two million, four hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 23 41 943 44901817 1032741791 1840974497 42342413431