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105385229887692 = 2238782102490641
BaseRepresentation
bin10111111101100011101001…
…001100010010100011001100
3111211010201200212102120122010
4113331203221030102203030
5102303112422322401232
61012045150052421220
731124555145003456
oct2775435114224314
9454121625376563
10105385229887692
1130640696980047
12b9a0444317810
1346a5a2781c601
141c0495ac992d6
15c2b4a1d850cc
hex5fd8e93128cc

105385229887692 has 12 divisors (see below), whose sum is σ = 245898869737976. Its totient is φ = 35128409962560.

The previous prime is 105385229887643. The next prime is 105385229887733. The reversal of 105385229887692 is 296788922583501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1053852298876922 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4391051245309 + ... + 4391051245332.

Almost surely, 2105385229887692 is an apocalyptic number.

105385229887692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105385229887692 is an abundant number, since it is smaller than the sum of its proper divisors (140513639850284).

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

105385229887692 is a wasteful number, since it uses less digits than its factorization.

105385229887692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8782102490648 (or 8782102490646 counting only the distinct ones).

The product of its (nonzero) digits is 1045094400, while the sum is 75.

The spelling of 105385229887692 in words is "one hundred five trillion, three hundred eighty-five billion, two hundred twenty-nine million, eight hundred eighty-seven thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 8782102490641 17564204981282 26346307471923 35128409962564 52692614943846 105385229887692