Search a number
-
+
12105052310 = 2513107870241
BaseRepresentation
bin10110100011000010…
…00111000010010110
31011020121210101000202
423101201013002112
5144242343133220
65321101140502
7605655150461
oct132141070226
934217711022
1012105052310
115151a93a6a
122419b5a732
1311abb56b60
1482b9662d8
154acac2275
hex2d1847096

12105052310 has 32 divisors (see below), whose sum is σ = 23684506272. Its totient is φ = 4427781120.

The previous prime is 12105052307. The next prime is 12105052331. The reversal of 12105052310 is 1325050121.

It is a happy number.

It is a super-2 number, since 2×121050523102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 421211 + ... + 449030.

It is an arithmetic number, because the mean of its divisors is an integer number (740140821).

Almost surely, 212105052310 is an apocalyptic number.

12105052310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12105052310 is a deficient number, since it is larger than the sum of its proper divisors (11579453962).

12105052310 is a wasteful number, since it uses less digits than its factorization.

12105052310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870368.

The product of its (nonzero) digits is 300, while the sum is 20.

The spelling of 12105052310 in words is "twelve billion, one hundred five million, fifty-two thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 107 130 214 535 1070 1391 2782 6955 13910 870241 1740482 4351205 8702410 11313133 22626266 56565665 93115787 113131330 186231574 465578935 931157870 1210505231 2421010462 6052526155 12105052310