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5001215441 = 6540776463
BaseRepresentation
bin1001010100001100…
…00111110111010001
3110220112200001211112
410222012013313101
540220302343231
62144133223105
7234635426015
oct45206076721
913815601745
105001215441
112137068202
12b76a91a95
13619195ba1
143562da545
151e40e692b
hex12a187dd1

5001215441 has 4 divisors (see below), whose sum is σ = 5001357312. Its totient is φ = 5001073572.

The previous prime is 5001215419. The next prime is 5001215447. The reversal of 5001215441 is 1445121005.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1445121005 = 5289024201.

It is a cyclic number.

It is not a de Polignac number, because 5001215441 - 26 = 5001215377 is a prime.

It is a super-3 number, since 3×50012154413 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5001215447) 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, 27176 + ... + 103638.

It is an arithmetic number, because the mean of its divisors is an integer number (1250339328).

Almost surely, 25001215441 is an apocalyptic number.

It is an amenable number.

5001215441 is a deficient number, since it is larger than the sum of its proper divisors (141871).

5001215441 is an equidigital number, since it uses as much as digits as its factorization.

5001215441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141870.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5001215441 is about 70719.2720621472. The cubic root of 5001215441 is about 1710.1144937759.

Adding to 5001215441 its reverse (1445121005), we get a palindrome (6446336446).

The spelling of 5001215441 in words is "five billion, one million, two hundred fifteen thousand, four hundred forty-one".

Divisors: 1 65407 76463 5001215441