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3005010101 = 5081591421
BaseRepresentation
bin1011001100011100…
…1101000010110101
321202102110022220102
42303013031002311
522123240310401
61214103443445
7134316110252
oct26307150265
97672408812
103005010101
111302282625
126ba456585
1338b749ab2
1420714c429
15128c3356b
hexb31cd0b5

3005010101 has 4 divisors (see below), whose sum is σ = 3005606604. Its totient is φ = 3004413600.

The previous prime is 3005010091. The next prime is 3005010109. The reversal of 3005010101 is 1010105003.

3005010101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1010105003 = 2934831207.

It can be written as a sum of positive squares in 2 ways, for example, as 480048100 + 2524962001 = 21910^2 + 50249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3005010101 is a prime.

It is a super-2 number, since 2×30050101012 = 18060171414224060402, which contains 22 as substring.

It is a Duffinian number.

3005010101 is a modest number, since divided by 10101 gives 3005 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005010109) 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, 290630 + ... + 300791.

It is an arithmetic number, because the mean of its divisors is an integer number (751401651).

Almost surely, 23005010101 is an apocalyptic number.

It is an amenable number.

3005010101 is a deficient number, since it is larger than the sum of its proper divisors (596503).

3005010101 is an equidigital number, since it uses as much as digits as its factorization.

3005010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596502.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 3005010101 is about 54817.9724269331. The cubic root of 3005010101 is about 1443.0519922286.

Adding to 3005010101 its reverse (1010105003), we get a palindrome (4015115104).

The spelling of 3005010101 in words is "three billion, five million, ten thousand, one hundred one".

Divisors: 1 5081 591421 3005010101