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3012021101 = 3197161971
BaseRepresentation
bin1011001110000111…
…1100101101101101
321202220122112012002
42303201330231231
522132034133401
61214514022045
7134432520425
oct26341745555
97686575162
103012021101
111306231041
12700877925
1339003300b
14208055485
1512966aa6b
hexb387cb6d

3012021101 has 4 divisors (see below), whose sum is σ = 3109183104. Its totient is φ = 2914859100.

The previous prime is 3012021073. The next prime is 3012021119. The reversal of 3012021101 is 1011202103.

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 3012021101 - 218 = 3011758957 is a prime.

It is a super-2 number, since 2×30120211012 = 18144542225738504402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012021191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48580955 + ... + 48581016.

It is an arithmetic number, because the mean of its divisors is an integer number (777295776).

Almost surely, 23012021101 is an apocalyptic number.

3012021101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3012021101 is a deficient number, since it is larger than the sum of its proper divisors (97162003).

3012021101 is an equidigital number, since it uses as much as digits as its factorization.

3012021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97162002.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 3012021101 is about 54881.8831765092. The cubic root of 3012021101 is about 1444.1733838570.

Adding to 3012021101 its reverse (1011202103), we get a palindrome (4023223204).

The spelling of 3012021101 in words is "three billion, twelve million, twenty-one thousand, one hundred one".

Divisors: 1 31 97161971 3012021101