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3020111421 = 317371600483
BaseRepresentation
bin1011010000000011…
…0011111000111101
321210110212120000120
42310000303320331
522141122031141
61215403245153
7134561344365
oct26400637075
97713776016
103020111421
11130a857458
127035197b9
133919065a2
1420915d9a5
1512a217c66
hexb4033e3d

3020111421 has 16 divisors (see below), whose sum is σ = 4378924224. Its totient is φ = 1843755264.

The previous prime is 3020111329. The next prime is 3020111441. The reversal of 3020111421 is 1241110203.

3020111421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-3020111421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3020111421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020111441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798355 + ... + 802128.

It is an arithmetic number, because the mean of its divisors is an integer number (273682764).

Almost surely, 23020111421 is an apocalyptic number.

It is an amenable number.

3020111421 is a deficient number, since it is larger than the sum of its proper divisors (1358812803).

3020111421 is a wasteful number, since it uses less digits than its factorization.

3020111421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600540.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3020111421 is about 54955.5404031295. The cubic root of 3020111421 is about 1445.4652494675.

Adding to 3020111421 its reverse (1241110203), we get a palindrome (4261221624).

The spelling of 3020111421 in words is "three billion, twenty million, one hundred eleven thousand, four hundred twenty-one".

Divisors: 1 3 17 37 51 111 629 1887 1600483 4801449 27208211 59217871 81624633 177653613 1006703807 3020111421