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34312440421 = 76777240439
BaseRepresentation
bin11111111101001011…
…100100101001100101
310021120021220120111201
4133331023210221211
51030232441043141
623432442402501
72323202634310
oct377513445145
9107507816451
1034312440421
1113608529386
126797200431
13330a94bbac
14193708d977
15d5c519031
hex7fd2e4a65

34312440421 has 8 divisors (see below), whose sum is σ = 39272146560. Its totient is φ = 29367216528.

The previous prime is 34312440413. The next prime is 34312440457. The reversal of 34312440421 is 12404421343.

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

It is a cyclic number.

It is not a de Polignac number, because 34312440421 - 23 = 34312440413 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 34312440421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34312440521) 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, 3615481 + ... + 3624958.

It is an arithmetic number, because the mean of its divisors is an integer number (4909018320).

Almost surely, 234312440421 is an apocalyptic number.

It is an amenable number.

34312440421 is a deficient number, since it is larger than the sum of its proper divisors (4959706139).

34312440421 is an equidigital number, since it uses as much as digits as its factorization.

34312440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241123.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 34312440421 its reverse (12404421343), we get a palindrome (46716861764).

The spelling of 34312440421 in words is "thirty-four billion, three hundred twelve million, four hundred forty thousand, four hundred twenty-one".

Divisors: 1 7 677 4739 7240439 50683073 4901777203 34312440421