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13642068133428 = 22371729418034709
BaseRepresentation
bin1100011010000100101010…
…1000000000011000110100
31210022011120011222011222120
43012201022220000120310
53242002423420232203
645003025104555540
72605415110602630
oct306411250003064
953264504864876
1013642068133428
11438a6288a4609
121643b11022bb0
1377c597ca9567
143523cb3c9dc0
15189cdc85bb53
hexc684aa00634

13642068133428 has 192 divisors, whose sum is σ = 40818897907200. Its totient is φ = 3455567216640.

The previous prime is 13642068133427. The next prime is 13642068133429. The reversal of 13642068133428 is 82433186024631.

It is an interprime number because it is at equal distance from previous prime (13642068133427) and next prime (13642068133429).

It is a super-2 number, since 2×136420681334282 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642068133427) 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, 2319463 + ... + 5715246.

It is an arithmetic number, because the mean of its divisors is an integer number (212598426600).

Almost surely, 213642068133428 is an apocalyptic number.

It is an amenable number.

13642068133428 is an abundant number, since it is smaller than the sum of its proper divisors (27176829773772).

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

13642068133428 is a wasteful number, since it uses less digits than its factorization.

13642068133428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034810 (or 8034808 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 13642068133428 in words is "thirteen trillion, six hundred forty-two billion, sixty-eight million, one hundred thirty-three thousand, four hundred twenty-eight".