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108669134784 = 263780855011
BaseRepresentation
bin110010100110100101…
…1110110011111000000
3101101111100011000111210
41211031023312133000
53240023244303114
6121531044410120
710564631255640
oct1451513663700
9341440130453
10108669134784
11420a4991401
12190890a6940
13a32a8761b2
14538c54a520
152c6035c259
hex194d2f67c0

108669134784 has 56 divisors (see below), whose sum is σ = 328594768768. Its totient is φ = 31048323840.

The previous prime is 108669134773. The next prime is 108669134789. The reversal of 108669134784 is 487431966801.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108669134789) 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, 40426162 + ... + 40428849.

It is an arithmetic number, because the mean of its divisors is an integer number (5867763728).

Almost surely, 2108669134784 is an apocalyptic number.

108669134784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

108669134784 is an abundant number, since it is smaller than the sum of its proper divisors (219925633984).

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

108669134784 is an equidigital number, since it uses as much as digits as its factorization.

108669134784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80855033 (or 80855023 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 108669134784 in words is "one hundred eight billion, six hundred sixty-nine million, one hundred thirty-four thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 80855011 161710022 242565033 323420044 485130066 565985077 646840088 970260132 1131970154 1293680176 1697955231 1940520264 2263940308 2587360352 3395910462 3881040528 4527880616 5174720704 6791820924 7762081056 9055761232 13583641848 15524162112 18111522464 27167283696 36223044928 54334567392 108669134784