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3000123021 = 37142863001
BaseRepresentation
bin1011001011010010…
…0011111010001101
321202002021001002110
42302310203322031
522121012414041
61213411014233
7134226424230
oct26264437215
97662231073
103000123021
1112aa544915
126b889a379
1338a72852c
14206639417
151285ba516
hexb2d23e8d

3000123021 has 8 divisors (see below), whose sum is σ = 4571616064. Its totient is φ = 1714356000.

The previous prime is 3000123019. The next prime is 3000123067. The reversal of 3000123021 is 1203210003.

It is a happy number.

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

It is not a de Polignac number, because 3000123021 - 21 = 3000123019 is a prime.

It is a super-2 number, since 2×30001230212 = 18001476282268332882, 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 = 3000122988 and 3000123006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000523021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71431480 + ... + 71431521.

It is an arithmetic number, because the mean of its divisors is an integer number (571452008).

Almost surely, 23000123021 is an apocalyptic number.

It is an amenable number.

3000123021 is a deficient number, since it is larger than the sum of its proper divisors (1571493043).

3000123021 is a wasteful number, since it uses less digits than its factorization.

3000123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142863011.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3000123021 is about 54773.3787619497. The cubic root of 3000123021 is about 1442.2692841473.

Adding to 3000123021 its reverse (1203210003), we get a palindrome (4203333024).

The spelling of 3000123021 in words is "three billion, one hundred twenty-three thousand, twenty-one".

Divisors: 1 3 7 21 142863001 428589003 1000041007 3000123021