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34478329541 = 138072497163
BaseRepresentation
bin100000000111000100…
…011000111011000101
310021222212001121121012
4200013010120323011
51031102423021131
623501130132005
72330255652125
oct400704307305
9107885047535
1034478329541
1113693133327
126822881005
133336122036
141951112c85
15d6bd8652b
hex807118ec5

34478329541 has 4 divisors (see below), whose sum is σ = 34480840512. Its totient is φ = 34475818572.

The previous prime is 34478329517. The next prime is 34478329559. The reversal of 34478329541 is 14592387443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14592387443 = 102531423231.

It is a cyclic number.

It is not a de Polignac number, because 34478329541 - 218 = 34478067397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34478329541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478323541) 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, 1234775 + ... + 1262388.

It is an arithmetic number, because the mean of its divisors is an integer number (8620210128).

Almost surely, 234478329541 is an apocalyptic number.

It is an amenable number.

34478329541 is a deficient number, since it is larger than the sum of its proper divisors (2510971).

34478329541 is a wasteful number, since it uses less digits than its factorization.

34478329541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510970.

The product of its digits is 2903040, while the sum is 50.

The spelling of 34478329541 in words is "thirty-four billion, four hundred seventy-eight million, three hundred twenty-nine thousand, five hundred forty-one".

Divisors: 1 13807 2497163 34478329541