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12104105450 = 252694734847
BaseRepresentation
bin10110100010111010…
…11111110111101010
31011020120000021011212
423101131133313222
5144242122333300
65321024553122
7605644125113
oct132135376752
934216007155
1012104105450
1151514a7638
1224197827a2
1311ab8b4b98
1482b79b20a
154ac986935
hex2d175fdea

12104105450 has 24 divisors (see below), whose sum is σ = 22517523072. Its totient is φ = 4840806320.

The previous prime is 12104105449. The next prime is 12104105483. The reversal of 12104105450 is 5450140121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329927 + ... + 364773.

It is an arithmetic number, because the mean of its divisors is an integer number (938230128).

Almost surely, 212104105450 is an apocalyptic number.

12104105450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12104105450 is a deficient number, since it is larger than the sum of its proper divisors (10413417622).

12104105450 is a wasteful number, since it uses less digits than its factorization.

12104105450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41806 (or 41801 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 12104105450 its reverse (5450140121), we get a palindrome (17554245571).

The spelling of 12104105450 in words is "twelve billion, one hundred four million, one hundred five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 6947 13894 34735 34847 69470 69694 173675 174235 347350 348470 871175 1742350 242082109 484164218 1210410545 2420821090 6052052725 12104105450