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3020311123 = 13921728857
BaseRepresentation
bin1011010000000110…
…0100101001010011
321210111020200221221
42310001210221103
522141144423443
61215411425511
7134563135534
oct26401445123
97714220857
103020311123
11130a9834a5
127035b5297
1339197645b
142091b268b
1512a256eed
hexb4064a53

3020311123 has 4 divisors (see below), whose sum is σ = 3042040120. Its totient is φ = 2998582128.

The previous prime is 3020311109. The next prime is 3020311141. The reversal of 3020311123 is 3211130203.

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-3020311123 is a prime.

It is a super-2 number, since 2×30203111232 = 18244558559435042258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3020311097 and 3020311106.

It is not an unprimeable number, because it can be changed into a prime (3020311523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10864290 + ... + 10864567.

It is an arithmetic number, because the mean of its divisors is an integer number (760510030).

Almost surely, 23020311123 is an apocalyptic number.

3020311123 is a deficient number, since it is larger than the sum of its proper divisors (21728997).

3020311123 is a wasteful number, since it uses less digits than its factorization.

3020311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21728996.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3020311123 is about 54957.3573145580. The cubic root of 3020311123 is about 1445.4971087710.

Adding to 3020311123 its reverse (3211130203), we get a palindrome (6231441326).

The spelling of 3020311123 in words is "three billion, twenty million, three hundred eleven thousand, one hundred twenty-three".

Divisors: 1 139 21728857 3020311123