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34478085631 = 116746781663
BaseRepresentation
bin100000000111000011…
…011101010111111111
310021222211121020000111
4200013003131113333
51031102342220011
623501121010451
72330253615043
oct400703352777
9107884536014
1034478085631
1113692a87050
126822783a27
133336068002
14195108c023
15d6bd39121
hex8070dd5ff

34478085631 has 8 divisors (see below), whose sum is σ = 38173837824. Its totient is φ = 30875896920.

The previous prime is 34478085619. The next prime is 34478085671. The reversal of 34478085631 is 13658087443.

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

It is not a de Polignac number, because 34478085631 - 25 = 34478085599 is a prime.

It is a super-2 number, since 2×344780856312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478085671) 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, 23390095 + ... + 23391568.

It is an arithmetic number, because the mean of its divisors is an integer number (4771729728).

Almost surely, 234478085631 is an apocalyptic number.

34478085631 is a deficient number, since it is larger than the sum of its proper divisors (3695752193).

34478085631 is a wasteful number, since it uses less digits than its factorization.

34478085631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46781741.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 34478085631 in words is "thirty-four billion, four hundred seventy-eight million, eighty-five thousand, six hundred thirty-one".

Divisors: 1 11 67 737 46781663 514598293 3134371421 34478085631