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5001105001 = 38511298651
BaseRepresentation
bin1001010100001011…
…01100111001101001
3110220112110110100011
410222011230321221
540220240330001
62144131011521
7234634456024
oct45205547151
913815413304
105001105001
112136aa2232
12b76a39ba1
13619157839
143562ac1bb
151e40c3d51
hex12a16ce69

5001105001 has 4 divisors (see below), whose sum is σ = 5002407504. Its totient is φ = 4999802500.

The previous prime is 5001104989. The next prime is 5001105017. The reversal of 5001105001 is 1005011005.

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 5001105001 - 213 = 5001096809 is a prime.

It is a super-2 number, since 2×50011050012 = 50022102462054420002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5001105041) 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, 645475 + ... + 653176.

It is an arithmetic number, because the mean of its divisors is an integer number (1250601876).

Almost surely, 25001105001 is an apocalyptic number.

It is an amenable number.

5001105001 is a deficient number, since it is larger than the sum of its proper divisors (1302503).

5001105001 is a wasteful number, since it uses less digits than its factorization.

5001105001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302502.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 5001105001 is about 70718.4912240073. The cubic root of 5001105001 is about 1710.1019057402.

Adding to 5001105001 its reverse (1005011005), we get a palindrome (6006116006).

The spelling of 5001105001 in words is "five billion, one million, one hundred five thousand, one".

Divisors: 1 3851 1298651 5001105001