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1361368851008 = 2653530375683
BaseRepresentation
bin10011110011110111111…
…010000010001001000000
311211010221010200002112212
4103303313322002021000
5134301040411213013
62521223151041252
7200232663206345
oct23636772021100
94733833602485
101361368851008
11485398253281
1219ba13810228
139b4b831812a
1449c67b627cc
152562b9186a8
hex13cf7e82240

1361368851008 has 56 divisors (see below), whose sum is σ = 2752992785088. Its totient is φ = 667706564096.

The previous prime is 1361368851001. The next prime is 1361368851019. The reversal of 1361368851008 is 8001588631631.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1361368851001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17949935 + ... + 18025617.

It is an arithmetic number, because the mean of its divisors is an integer number (49160585448).

Almost surely, 21361368851008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361368851008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376496392544).

1361368851008 is an abundant number, since it is smaller than the sum of its proper divisors (1391623934080).

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

1361368851008 is an equidigital number, since it uses as much as digits as its factorization.

1361368851008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81051 (or 81041 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 1361368851008 in words is "one trillion, three hundred sixty-one billion, three hundred sixty-eight million, eight hundred fifty-one thousand, eight".

Divisors: 1 2 4 8 16 32 53 64 106 212 424 848 1696 3392 5303 10606 21212 42424 75683 84848 151366 169696 281059 302732 339392 562118 605464 1124236 1210928 2248472 2421856 4011199 4496944 4843712 8022398 8993888 16044796 17987776 32089592 64179184 128358368 256716736 401346949 802693898 1605387796 3210775592 6421551184 12843102368 21271388297 25686204736 42542776594 85085553188 170171106376 340342212752 680684425504 1361368851008