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34345003621 = 231495199877
BaseRepresentation
bin11111111111000111…
…110010101001100101
310021122120011221211011
4133333013302221211
51030314310103441
623440004342221
72324046466615
oct377707625145
9107576157734
1034345003621
111362494a615
1267a60a4971
133314610766
14193b528a45
15d602ec581
hex7ff1f2a65

34345003621 has 8 divisors (see below), whose sum is σ = 35841020544. Its totient is φ = 32849216400.

The previous prime is 34345003607. The next prime is 34345003631. The reversal of 34345003621 is 12630054343.

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

It is a de Polignac number, because none of the positive numbers 2k-34345003621 is a prime.

It is a super-2 number, since 2×343450036212 (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 (34345003631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293935 + ... + 393811.

It is an arithmetic number, because the mean of its divisors is an integer number (4480127568).

Almost surely, 234345003621 is an apocalyptic number.

It is an amenable number.

34345003621 is a deficient number, since it is larger than the sum of its proper divisors (1496016923).

34345003621 is a wasteful number, since it uses less digits than its factorization.

34345003621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114851.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 34345003621 its reverse (12630054343), we get a palindrome (46975057964).

The spelling of 34345003621 in words is "thirty-four billion, three hundred forty-five million, three thousand, six hundred twenty-one".

Divisors: 1 23 14951 99877 343873 2297171 1493261027 34345003621