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34504434431 = 78774380403
BaseRepresentation
bin100000001000100111…
…111110001011111111
310022001200011212202222
4200020213332023333
51031131113400211
623503501435555
72331023565515
oct401047761377
9108050155688
1034504434431
11136a6943315
12682b56bbbb
13333b66210c
14195478a4b5
15d6e2e11db
hex8089fe2ff

34504434431 has 4 divisors (see below), whose sum is σ = 34508822712. Its totient is φ = 34500046152.

The previous prime is 34504434389. The next prime is 34504434439. The reversal of 34504434431 is 13443440543.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34504434431 is a prime.

It is a super-2 number, since 2×345044344312 (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 = 34504434391 and 34504434400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34504434439) 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, 2182325 + ... + 2198078.

It is an arithmetic number, because the mean of its divisors is an integer number (8627205678).

Almost surely, 234504434431 is an apocalyptic number.

34504434431 is a deficient number, since it is larger than the sum of its proper divisors (4388281).

34504434431 is an equidigital number, since it uses as much as digits as its factorization.

34504434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388280.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 34504434431 its reverse (13443440543), we get a palindrome (47947874974).

The spelling of 34504434431 in words is "thirty-four billion, five hundred four million, four hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 7877 4380403 34504434431