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112123231400 = 23521732977421
BaseRepresentation
bin110100001101100010…
…0001011110010101000
3101201102001122022022002
41220123010023302220
53314112021401100
6123301513550132
711046342512315
oct1503304136250
9351361568262
10112123231400
1143607706304
1219891a15348
13a75b35cc4b
1455d9199d0c
152db36ed2d5
hex1a1b10bca8

112123231400 has 48 divisors (see below), whose sum is σ = 276021022140. Its totient is φ = 42211097600.

The previous prime is 112123231397. The next prime is 112123231447. The reversal of 112123231400 is 4132321211.

It can be written as a sum of positive squares in 6 ways, for example, as 86964830404 + 25158400996 = 294898^2 + 158614^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 16485311 + ... + 16492110.

Almost surely, 2112123231400 is an apocalyptic number.

112123231400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112123231400 is an abundant number, since it is smaller than the sum of its proper divisors (163897790740).

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

112123231400 is a wasteful number, since it uses less digits than its factorization.

112123231400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32977454 (or 32977445 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 112123231400 its reverse (4132321211), we get a palindrome (116255552611).

The spelling of 112123231400 in words is "one hundred twelve billion, one hundred twenty-three million, two hundred thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 136 170 200 340 425 680 850 1700 3400 32977421 65954842 131909684 164887105 263819368 329774210 560616157 659548420 824435525 1121232314 1319096840 1648871050 2242464628 2803080785 3297742100 4484929256 5606161570 6595484200 11212323140 14015403925 22424646280 28030807850 56061615700 112123231400