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124142003 = 817115193
BaseRepresentation
bin1110110011001…
…00000110110011
322122121001210222
413121210012303
5223240021003
620152443255
73035122016
oct731440663
9278531728
10124142003
11640907a7
12356a952b
131c94730b
14126b737d
15ad72c38
hex76641b3

124142003 has 4 divisors (see below), whose sum is σ = 124165368. Its totient is φ = 124118640.

The previous prime is 124141999. The next prime is 124142023. The reversal of 124142003 is 300241421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300241421 = 378114633.

It is a cyclic number.

It is not a de Polignac number, because 124142003 - 22 = 124141999 is a prime.

It is a super-2 number, since 2×1241420032 = 30822473817704018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124142023) 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, 575 + ... + 15767.

It is an arithmetic number, because the mean of its divisors is an integer number (31041342).

Almost surely, 2124142003 is an apocalyptic number.

124142003 is a deficient number, since it is larger than the sum of its proper divisors (23365).

124142003 is an equidigital number, since it uses as much as digits as its factorization.

124142003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23364.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 124142003 is about 11141.9030241696. The cubic root of 124142003 is about 498.8533765192.

Adding to 124142003 its reverse (300241421), we get a palindrome (424383424).

The spelling of 124142003 in words is "one hundred twenty-four million, one hundred forty-two thousand, three".

Divisors: 1 8171 15193 124142003