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3021000018 = 23503500003
BaseRepresentation
bin1011010000010000…
…1100110101010010
321210112112200221120
42310010030311102
522141334000033
61215434303110
7134602035141
oct26404146522
97715480846
103021000018
111310304033
12703887a96
13391b57b9a
14209311758
1512a3411b3
hexb410cd52

3021000018 has 8 divisors (see below), whose sum is σ = 6042000048. Its totient is φ = 1007000004.

The previous prime is 3021000001. The next prime is 3021000029. The reversal of 3021000018 is 8100001203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

3021000018 is an admirable number.

It is a super-2 number, since 2×30210000182 = 18252882217512000648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3020999970 and 3021000006.

It is an unprimeable number.

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, 251749996 + ... + 251750007.

It is an arithmetic number, because the mean of its divisors is an integer number (755250006).

Almost surely, 23021000018 is an apocalyptic number.

3021000018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3021000018 is a wasteful number, since it uses less digits than its factorization.

3021000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503500008.

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

The square root of 3021000018 is about 54963.6244983898. The cubic root of 3021000018 is about 1445.6070003230.

The spelling of 3021000018 in words is "three billion, twenty-one million, eighteen", and thus it is an aban number and an uban number.

Divisors: 1 2 3 6 503500003 1007000006 1510500009 3021000018