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34401543613 = 37929771449
BaseRepresentation
bin100000000010011111…
…011110010110111101
310021210111120111002221
4200002133132112331
51030423243343423
623445344245341
72325334203343
oct400237362675
9107714514087
1034401543613
1113653857988
126801010851
133323248888
141944c45993
15d65269e5d
hex8027de5bd

34401543613 has 4 divisors (see below), whose sum is σ = 35331315100. Its totient is φ = 33471772128.

The previous prime is 34401543611. The next prime is 34401543619. The reversal of 34401543613 is 31634510443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31634510443 = 229138141967.

It can be written as a sum of positive squares in 2 ways, for example, as 21464301049 + 12937242564 = 146507^2 + 113742^2 .

It is a cyclic number.

It is not a de Polignac number, because 34401543613 - 21 = 34401543611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34401543611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464885688 + ... + 464885761.

It is an arithmetic number, because the mean of its divisors is an integer number (8832828775).

Almost surely, 234401543613 is an apocalyptic number.

It is an amenable number.

34401543613 is a deficient number, since it is larger than the sum of its proper divisors (929771487).

34401543613 is an equidigital number, since it uses as much as digits as its factorization.

34401543613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929771486.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 34401543613 in words is "thirty-four billion, four hundred one million, five hundred forty-three thousand, six hundred thirteen".

Divisors: 1 37 929771449 34401543613