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105486939290 = 25179317185903
BaseRepresentation
bin110001000111110000…
…0101111010010011010
3101002021120021201221102
41202033200233102122
53212014124024130
6120243211111402
710423031122025
oct1421740572232
9332246251842
10105486939290
1140811699877
121853b442562
139c414cc695
145169a781bc
152b25cc9645
hex188f82f49a

105486939290 has 32 divisors (see below), whose sum is σ = 191540609280. Its totient is φ = 41826462784.

The previous prime is 105486939289. The next prime is 105486939323. The reversal of 105486939290 is 92939684501.

105486939290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1054869392902 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474479 + ... + 660381.

It is an arithmetic number, because the mean of its divisors is an integer number (5985644040).

Almost surely, 2105486939290 is an apocalyptic number.

105486939290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105486939290 is a deficient number, since it is larger than the sum of its proper divisors (86053669990).

105486939290 is a wasteful number, since it uses less digits than its factorization.

105486939290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186406.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 105486939290 in words is "one hundred five billion, four hundred eighty-six million, nine hundred thirty-nine thousand, two hundred ninety".

Divisors: 1 2 5 10 179 317 358 634 895 1585 1790 3170 56743 113486 185903 283715 371806 567430 929515 1859030 33276637 58931251 66553274 117862502 166383185 294656255 332766370 589312510 10548693929 21097387858 52743469645 105486939290