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3012100101 = 3437186421
BaseRepresentation
bin1011001110001001…
…0000000000000101
321202220210112120000
42303202100000011
522132044200401
61214515431513
7134433266643
oct26342200005
97686715500
103012100101
11130628542a
127008b5599
1339005cc6a
14208076193
15129684186
hexb3890005

3012100101 has 10 divisors (see below), whose sum is σ = 4499557062. Its totient is φ = 2008066680.

The previous prime is 3012100093. The next prime is 3012100121. The reversal of 3012100101 is 1010012103.

It can be written as a sum of positive squares in only one way, i.e., 1725156225 + 1286943876 = 41535^2 + 35874^2 .

It is not a de Polignac number, because 3012100101 - 23 = 3012100093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012100121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18593130 + ... + 18593291.

Almost surely, 23012100101 is an apocalyptic number.

It is an amenable number.

3012100101 is a deficient number, since it is larger than the sum of its proper divisors (1487456961).

3012100101 is an equidigital number, since it uses as much as digits as its factorization.

3012100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37186433 (or 37186424 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 3012100101 is about 54882.6028992795. The cubic root of 3012100101 is about 1444.1860097867.

Adding to 3012100101 its reverse (1010012103), we get a palindrome (4022112204).

The spelling of 3012100101 in words is "three billion, twelve million, one hundred thousand, one hundred one".

Divisors: 1 3 9 27 81 37186421 111559263 334677789 1004033367 3012100101