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112401019 = 148375793
BaseRepresentation
bin1101011001100…
…01101001111011
321211111120012201
412230301221323
5212233313034
615053051031
72533251523
oct654615173
9254446181
10112401019
11584a1605
1231786a77
131a3961a3
1410cdc683
159d04014
hex6b31a7b

112401019 has 4 divisors (see below), whose sum is σ = 112478296. Its totient is φ = 112323744.

The previous prime is 112401001. The next prime is 112401031. The reversal of 112401019 is 910104211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910104211 = 8597105863.

It is a cyclic number.

It is not a de Polignac number, because 112401019 - 211 = 112398971 is a prime.

It is a super-2 number, since 2×1124010192 = 25267978144476722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112400987 and 112401005.

It is not an unprimeable number, because it can be changed into a prime (112401089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36414 + ... + 39379.

It is an arithmetic number, because the mean of its divisors is an integer number (28119574).

Almost surely, 2112401019 is an apocalyptic number.

112401019 is a deficient number, since it is larger than the sum of its proper divisors (77277).

112401019 is an equidigital number, since it uses as much as digits as its factorization.

112401019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77276.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 112401019 is about 10601.9346819342. The cubic root of 112401019 is about 482.6030728279.

The spelling of 112401019 in words is "one hundred twelve million, four hundred one thousand, nineteen".

Divisors: 1 1483 75793 112401019