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3021034021 = 3319126991
BaseRepresentation
bin1011010000010001…
…0101001000100101
321210112121102120221
42310010111020211
522141341042041
61215435124341
7134602236235
oct26404251045
97715542527
103021034021
111310327635
127038a36b1
13391b6a4c5
1420931dcc5
1512a34b2d1
hexb4115225

3021034021 has 4 divisors (see below), whose sum is σ = 3030161344. Its totient is φ = 3011906700.

The previous prime is 3021034007. The next prime is 3021034031. The reversal of 3021034021 is 1204301203.

It is a happy number.

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 3021034021 - 27 = 3021033893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3021033986 and 3021034004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021034001) 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, 4563165 + ... + 4563826.

It is an arithmetic number, because the mean of its divisors is an integer number (757540336).

Almost surely, 23021034021 is an apocalyptic number.

It is an amenable number.

3021034021 is a deficient number, since it is larger than the sum of its proper divisors (9127323).

3021034021 is an equidigital number, since it uses as much as digits as its factorization.

3021034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127322.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3021034021 is about 54963.9338202789. The cubic root of 3021034021 is about 1445.6124240006.

Adding to 3021034021 its reverse (1204301203), we get a palindrome (4225335224).

The spelling of 3021034021 in words is "three billion, twenty-one million, thirty-four thousand, twenty-one".

Divisors: 1 331 9126991 3021034021