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64223830356429 = 339472754234809
BaseRepresentation
bin11101001101001010001101…
…00110000011000111001101
322102101201221011101102212110
432212211012212003013031
531404220401032401204
6344332004221454233
716346006246533422
oct1646450646030715
9272351834342773
1064223830356429
111951119aa19417
127253012a11379
1329ab386aa63c3
1411c0642a33d49
15765921163889
hex3a69469831cd

64223830356429 has 8 divisors (see below), whose sum is σ = 85631992326720. Its totient is φ = 42815777645216.

The previous prime is 64223830356403. The next prime is 64223830356449. The reversal of 64223830356429 is 92465303832246.

It is a happy number.

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 64223830356429 - 233 = 64215240421837 is a prime.

It is a super-2 number, since 2×642238303564292 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64223830356449) 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, 25933224 + ... + 28301585.

It is an arithmetic number, because the mean of its divisors is an integer number (10703999040840).

Almost surely, 264223830356429 is an apocalyptic number.

It is an amenable number.

64223830356429 is a deficient number, since it is larger than the sum of its proper divisors (21408161970291).

64223830356429 is a wasteful number, since it uses less digits than its factorization.

64223830356429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54629539.

The product of its (nonzero) digits is 44789760, while the sum is 57.

The spelling of 64223830356429 in words is "sixty-four trillion, two hundred twenty-three billion, eight hundred thirty million, three hundred fifty-six thousand, four hundred twenty-nine".

Divisors: 1 3 394727 1184181 54234809 162704427 21407943452143 64223830356429