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12113423750 = 25411938123
BaseRepresentation
bin10110100100000010…
…00010110110000110
31011021012112200111002
423102001002312012
5144302014030000
65322000413302
7606116255141
oct132201026606
934235480432
1012113423750
11515679160a
122420917232
1311b07c837c
1482cb05058
154ad6c78d5
hex2d2042d86

12113423750 has 40 divisors (see below), whose sum is σ = 22727231208. Its totient is φ = 4840712000.

The previous prime is 12113423741. The next prime is 12113423759. The reversal of 12113423750 is 5732431121.

It is an interprime number because it is at equal distance from previous prime (12113423741) and next prime (12113423759).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113423759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1487189 + ... + 1495311.

Almost surely, 212113423750 is an apocalyptic number.

12113423750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12113423750 is a deficient number, since it is larger than the sum of its proper divisors (10613807458).

12113423750 is an equidigital number, since it uses as much as digits as its factorization.

12113423750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338 (or 9323 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

Subtracting from 12113423750 its sum of digits (29), we obtain a square (12113423721 = 1100612).

Adding to 12113423750 its reverse (5732431121), we get a palindrome (17845854871).

The spelling of 12113423750 in words is "twelve billion, one hundred thirteen million, four hundred twenty-three thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 1193 1250 2386 5965 8123 11930 16246 29825 40615 59650 81230 149125 203075 298250 406150 745625 1015375 1491250 2030750 5076875 9690739 10153750 19381478 48453695 96907390 242268475 484536950 1211342375 2422684750 6056711875 12113423750