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3123242011 = 7939534709
BaseRepresentation
bin1011101000101000…
…1110010000011011
322001122221010121001
42322022032100123
522344022221021
61233525525431
7140253055561
oct27212162033
98048833531
103123242011
111362a96a4a
12731b73877
133aa0a4cc6
14218b27a31
151342da091
hexba28e41b

3123242011 has 4 divisors (see below), whose sum is σ = 3162776800. Its totient is φ = 3083707224.

The previous prime is 3123242009. The next prime is 3123242041. The reversal of 3123242011 is 1102423213.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3123242011 - 21 = 3123242009 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 3123242011.

It is not an unprimeable number, because it can be changed into a prime (3123242041) 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, 19767276 + ... + 19767433.

It is an arithmetic number, because the mean of its divisors is an integer number (790694200).

Almost surely, 23123242011 is an apocalyptic number.

3123242011 is a deficient number, since it is larger than the sum of its proper divisors (39534789).

3123242011 is an equidigital number, since it uses as much as digits as its factorization.

3123242011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39534788.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3123242011 is about 55885.9732938418. The cubic root of 3123242011 is about 1461.7346634936.

Adding to 3123242011 its reverse (1102423213), we get a palindrome (4225665224).

The spelling of 3123242011 in words is "three billion, one hundred twenty-three million, two hundred forty-two thousand, eleven".

Divisors: 1 79 39534709 3123242011