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13224146021401 = 72924129204689
BaseRepresentation
bin1100000001101111110010…
…0001101010110000011001
31201211012211110210012011211
43000123330201222300121
53213131022340141101
644043031103423121
72533261444345300
oct300337441526031
951735743705154
1013224146021401
114239368749187
121596b178b4aa1
1374c05460b903
1433a0a2cb3437
1517decc842c51
hexc06fc86ac19

13224146021401 has 12 divisors (see below), whose sum is σ = 15384855463860. Its totient is φ = 11333755319040.

The previous prime is 13224146021371. The next prime is 13224146021483. The reversal of 13224146021401 is 10412064142231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6586927383001 + 6637218638400 = 2566501^2 + 2576280^2 .

It is not a de Polignac number, because 13224146021401 - 219 = 13224145497113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13224146021491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14149536 + ... + 15055153.

It is an arithmetic number, because the mean of its divisors is an integer number (1282071288655).

Almost surely, 213224146021401 is an apocalyptic number.

It is an amenable number.

13224146021401 is a deficient number, since it is larger than the sum of its proper divisors (2160709442459).

13224146021401 is an equidigital number, since it uses as much as digits as its factorization.

13224146021401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29213944 (or 29213937 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 13224146021401 in words is "thirteen trillion, two hundred twenty-four billion, one hundred forty-six million, twenty-one thousand, four hundred one".

Divisors: 1 7 49 9241 64687 452809 29204689 204432823 1431029761 269880531049 1889163717343 13224146021401