Search a number
-
+
3124243141 = 21019148639
BaseRepresentation
bin1011101000111000…
…0010101011000101
322001201210222212221
42322032002223011
522344301240031
61234003212341
7140264425405
oct27216025305
98051728787
103124243141
111363610128
127323770b1
133aa3658a6
14218d08805
15134436a11
hexba382ac5

3124243141 has 4 divisors (see below), whose sum is σ = 3124412800. Its totient is φ = 3124073484.

The previous prime is 3124243127. The next prime is 3124243159. The reversal of 3124243141 is 1413424213.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1413424213 = 2796750539.

It is a cyclic number.

It is not a de Polignac number, because 3124243141 - 211 = 3124241093 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 (3124243541) 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, 53301 + ... + 95338.

It is an arithmetic number, because the mean of its divisors is an integer number (781103200).

Almost surely, 23124243141 is an apocalyptic number.

It is an amenable number.

3124243141 is a deficient number, since it is larger than the sum of its proper divisors (169659).

3124243141 is a wasteful number, since it uses less digits than its factorization.

3124243141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169658.

The product of its digits is 2304, while the sum is 25.

The square root of 3124243141 is about 55894.9294748638. The cubic root of 3124243141 is about 1461.8908292222.

Adding to 3124243141 its reverse (1413424213), we get a palindrome (4537667354).

The spelling of 3124243141 in words is "three billion, one hundred twenty-four million, two hundred forty-three thousand, one hundred forty-one".

Divisors: 1 21019 148639 3124243141