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13901806668204 = 22337133793732217
BaseRepresentation
bin1100101001001100010000…
…1111111000100110101100
31211012222222210211212101000
43022103010033320212230
53310231400001340304
645322222443120300
72633241504661230
oct312230417704654
954188883755330
1013901806668204
11447a7a5499104
12168631ab13090
1379ac1c82a760
14360bcb33c5c0
151919405d7939
hexca4c43f89ac

13901806668204 has 192 divisors, whose sum is σ = 44476095462400. Its totient is φ = 3656735663616.

The previous prime is 13901806668203. The next prime is 13901806668223. The reversal of 13901806668204 is 40286660810931.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (13901806668203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1858704 + ... + 5590920.

Almost surely, 213901806668204 is an apocalyptic number.

13901806668204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13901806668204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22238047731200).

13901806668204 is an abundant number, since it is smaller than the sum of its proper divisors (30574288794196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13901806668204 is a wasteful number, since it uses less digits than its factorization.

13901806668204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732629 (or 3732621 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 13901806668204 in words is "thirteen trillion, nine hundred one billion, eight hundred six million, six hundred sixty-eight thousand, two hundred four".