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13755354864 = 243794797573
BaseRepresentation
bin11001100111110001…
…00000111011110000
31022111122010102112120
430303320200323300
5211132332323424
610152532554240
7664604405256
oct146370407360
938448112476
1013755354864
1159195a2779
1227ba782980
1313b2a22944
14946bd25d6
1555790aa79
hex333e20ef0

13755354864 has 80 divisors (see below), whose sum is σ = 36064358400. Its totient is φ = 4517031168.

The previous prime is 13755354863. The next prime is 13755354869. The reversal of 13755354864 is 46845355731.

13755354864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13755354863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812582 + ... + 1820154.

It is an arithmetic number, because the mean of its divisors is an integer number (450804480).

Almost surely, 213755354864 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 13755354864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18032179200).

13755354864 is an abundant number, since it is smaller than the sum of its proper divisors (22309003536).

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

13755354864 is a wasteful number, since it uses less digits than its factorization.

13755354864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8142 (or 8136 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 51.

The spelling of 13755354864 in words is "thirteen billion, seven hundred fifty-five million, three hundred fifty-four thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 79 158 237 316 474 479 632 948 958 1264 1437 1896 1916 2874 3792 3832 5748 7573 7664 11496 15146 22719 22992 30292 37841 45438 60584 75682 90876 113523 121168 151364 181752 227046 302728 363504 454092 598267 605456 908184 1196534 1794801 1816368 2393068 3589602 3627467 4786136 7179204 7254934 9572272 10882401 14358408 14509868 21764802 28716816 29019736 43529604 58039472 87059208 174118416 286569893 573139786 859709679 1146279572 1719419358 2292559144 3438838716 4585118288 6877677432 13755354864