Search a number
-
+
123174013 = 1071151159
BaseRepresentation
bin1110101011101…
…11110001111101
322120202212222111
413111313301331
5223013032023
620120014021
73023650624
oct725676175
9276685874
10123174013
116358a506
1235301311
131c698841
14125046bb
15ac3100d
hex7577c7d

123174013 has 4 divisors (see below), whose sum is σ = 124325280. Its totient is φ = 122022748.

The previous prime is 123174011. The next prime is 123174019. The reversal of 123174013 is 310471321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123174013 - 21 = 123174011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123174011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575473 + ... + 575686.

It is an arithmetic number, because the mean of its divisors is an integer number (31081320).

Almost surely, 2123174013 is an apocalyptic number.

It is an amenable number.

123174013 is a deficient number, since it is larger than the sum of its proper divisors (1151267).

123174013 is a wasteful number, since it uses less digits than its factorization.

123174013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151266.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 123174013 is about 11098.3788455792. The cubic root of 123174013 is about 497.5533984753.

The spelling of 123174013 in words is "one hundred twenty-three million, one hundred seventy-four thousand, thirteen".

Divisors: 1 107 1151159 123174013