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1342400042431 = 71917491000117
BaseRepresentation
bin10011100010001101010…
…001110001010110111111
311202022222011111210000001
4103202031101301112333
5133443213402324211
62504405015415131
7165661632043420
oct23421521612677
94668864453001
101342400042431
11478343911678
121981bb0844a7
139978447ba46
1448d887c7647
1524dbb490ac1
hex1388d4715bf

1342400042431 has 8 divisors (see below), whose sum is σ = 1534181012000. Its totient is φ = 1150621456608.

The previous prime is 1342400042413. The next prime is 1342400042441.

1342400042431 is nontrivially palindromic in base 10.

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 1342400042431 - 29 = 1342400041919 is a prime.

It is a super-2 number, since 2×13424000424312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1342400042431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342400042441) 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, 842185 + ... + 1842301.

It is an arithmetic number, because the mean of its divisors is an integer number (191772626500).

Almost surely, 21342400042431 is an apocalyptic number.

1342400042431 is a deficient number, since it is larger than the sum of its proper divisors (191780969569).

1342400042431 is a wasteful number, since it uses less digits than its factorization.

1342400042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191873.

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 13424000 and 42431, that added together give a palindrome (13466431).

The spelling of 1342400042431 in words is "one trillion, three hundred forty-two billion, four hundred million, forty-two thousand, four hundred thirty-one".

Divisors: 1 7 191749 1000117 1342243 7000819 191771434633 1342400042431