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105485487768 = 233213710693987
BaseRepresentation
bin110001000111101101…
…1001100111010011000
3101002021110112222211100
41202033123030322120
53212013241102033
6120243120031400
710423012565133
oct1421733147230
9332243488740
10105485487768
1140810898271
121853aa62560
139c41111aab
1451697bb21a
152b25ade513
hex188f6cce98

105485487768 has 48 divisors (see below), whose sum is σ = 287775217080. Its totient is φ = 34905170304.

The previous prime is 105485487749. The next prime is 105485487803. The reversal of 105485487768 is 867784584501.

It is a happy number.

105485487768 is a `hidden beast` number, since 1 + 0 + 5 + 4 + 85 + 487 + 76 + 8 = 666.

It is a super-2 number, since 2×1054854877682 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5337130 + ... + 5356857.

Almost surely, 2105485487768 is an apocalyptic number.

105485487768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

105485487768 is an abundant number, since it is smaller than the sum of its proper divisors (182289729312).

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

105485487768 is a wasteful number, since it uses less digits than its factorization.

105485487768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694136 (or 10694129 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 63.

The spelling of 105485487768 in words is "one hundred five billion, four hundred eighty-five million, four hundred eighty-seven thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 137 274 411 548 822 1096 1233 1644 2466 3288 4932 9864 10693987 21387974 32081961 42775948 64163922 85551896 96245883 128327844 192491766 256655688 384983532 769967064 1465076219 2930152438 4395228657 5860304876 8790457314 11720609752 13185685971 17580914628 26371371942 35161829256 52742743884 105485487768