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12426206164621 = 139938821228799
BaseRepresentation
bin1011010011010011001110…
…0110101011011010001101
31121222221012200011120101221
42310310303212223122031
53112042332234231441
642232304215203341
72421522654436564
oct264646346533215
947887180146357
1012426206164621
113a60a1947a597
121488347376551
136c1a2b4067c2
1430d6083c0bdb
1516837a3438d1
hexb4d339ab68d

12426206164621 has 8 divisors (see below), whose sum is σ = 12435463040000. Its totient is φ = 12416949827280.

The previous prime is 12426206164529. The next prime is 12426206164627. The reversal of 12426206164621 is 12646160262421.

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 12426206164621 - 219 = 12426205640333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426206164627) 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, 54196180 + ... + 54424978.

It is an arithmetic number, because the mean of its divisors is an integer number (1554432880000).

Almost surely, 212426206164621 is an apocalyptic number.

It is an amenable number.

12426206164621 is a deficient number, since it is larger than the sum of its proper divisors (9256875379).

12426206164621 is a wasteful number, since it uses less digits than its factorization.

12426206164621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269019.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 12426206164621 in words is "twelve trillion, four hundred twenty-six billion, two hundred six million, one hundred sixty-four thousand, six hundred twenty-one".

Divisors: 1 1399 38821 228799 54310579 320089801 8882205979 12426206164621