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34004312321 = 74857758903
BaseRepresentation
bin11111101010110100…
…001010000100000001
310020202211010001012212
4133222310022010001
51024120100443241
623342114231505
72312441612540
oct375264120401
9106684101185
1034004312321
111346a603161
12670bb85595
13328bb66585
1419081a2157
15d40451beb
hex7ead0a101

34004312321 has 4 divisors (see below), whose sum is σ = 38862071232. Its totient is φ = 29146553412.

The previous prime is 34004312317. The next prime is 34004312341. The reversal of 34004312321 is 12321340043.

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: 12321340043 = 66359185677.

It is a cyclic number.

It is not a de Polignac number, because 34004312321 - 22 = 34004312317 is a prime.

It is a super-2 number, since 2×340043123212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34004312341) 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, 2428879445 + ... + 2428879458.

It is an arithmetic number, because the mean of its divisors is an integer number (9715517808).

Almost surely, 234004312321 is an apocalyptic number.

It is an amenable number.

34004312321 is a deficient number, since it is larger than the sum of its proper divisors (4857758911).

34004312321 is an equidigital number, since it uses as much as digits as its factorization.

34004312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857758910.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 34004312321 its reverse (12321340043), we get a palindrome (46325652364).

The spelling of 34004312321 in words is "thirty-four billion, four million, three hundred twelve thousand, three hundred twenty-one".

Divisors: 1 7 4857758903 34004312321