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3021124021 = 16718090563
BaseRepresentation
bin1011010000010010…
…1011000110110101
321210112210000001021
42310010223012311
522141401432041
61215441101141
7134603062516
oct26404530665
97715700037
103021124021
111310389213
127039277b1
13391b9c466
14209344a0d
1512a367cd1
hexb412b1b5

3021124021 has 4 divisors (see below), whose sum is σ = 3039214752. Its totient is φ = 3003033292.

The previous prime is 3021123983. The next prime is 3021124027. The reversal of 3021124021 is 1204211203.

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 3021124021 - 29 = 3021123509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3021123986 and 3021124004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021124027) 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, 9045115 + ... + 9045448.

It is an arithmetic number, because the mean of its divisors is an integer number (759803688).

Almost surely, 23021124021 is an apocalyptic number.

It is an amenable number.

3021124021 is a deficient number, since it is larger than the sum of its proper divisors (18090731).

3021124021 is a wasteful number, since it uses less digits than its factorization.

3021124021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18090730.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3021124021 is about 54964.7525328733. The cubic root of 3021124021 is about 1445.6267793312.

Adding to 3021124021 its reverse (1204211203), we get a palindrome (4225335224).

The spelling of 3021124021 in words is "three billion, twenty-one million, one hundred twenty-four thousand, twenty-one".

Divisors: 1 167 18090563 3021124021