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1412005123 = 10663132421
BaseRepresentation
bin101010000101001…
…0111110100000011
310122101221021220001
41110022113310003
510342433130443
6352040100431
746663563004
oct12412276403
93571837801
101412005123
11665049391
12334a64717
131966c2bb9
14d57591ab
1583e66d4d
hex54297d03

1412005123 has 4 divisors (see below), whose sum is σ = 1412148208. Its totient is φ = 1411862040.

The previous prime is 1412005087. The next prime is 1412005129. The reversal of 1412005123 is 3215002141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1412005123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1412005123.

It is not an unprimeable number, because it can be changed into a prime (1412005129) 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, 55548 + ... + 76873.

It is an arithmetic number, because the mean of its divisors is an integer number (353037052).

Almost surely, 21412005123 is an apocalyptic number.

1412005123 is a deficient number, since it is larger than the sum of its proper divisors (143085).

1412005123 is a wasteful number, since it uses less digits than its factorization.

1412005123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143084.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1412005123 is about 37576.6566234943. The cubic root of 1412005123 is about 1121.8774640770.

Adding to 1412005123 its reverse (3215002141), we get a palindrome (4627007264).

The spelling of 1412005123 in words is "one billion, four hundred twelve million, five thousand, one hundred twenty-three".

Divisors: 1 10663 132421 1412005123