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5012057021 = 5984950119
BaseRepresentation
bin1001010101011110…
…11110101110111101
3110221022001212200112
410222233132232331
540231041311041
62145201435405
7235126532066
oct45257365675
913838055615
105012057021
1121421a2694
12b7a63bb65
1361b4c081a
1435791d56d
151e5038deb
hex12abdebbd

5012057021 has 4 divisors (see below), whose sum is σ = 5097007200. Its totient is φ = 4927106844.

The previous prime is 5012056981. The next prime is 5012057053. The reversal of 5012057021 is 1207502105.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 1207502105 = 5241500421.

It is a cyclic number.

It is not a de Polignac number, because 5012057021 - 226 = 4944948157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5012057621) 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, 42475001 + ... + 42475118.

It is an arithmetic number, because the mean of its divisors is an integer number (1274251800).

Almost surely, 25012057021 is an apocalyptic number.

It is an amenable number.

5012057021 is a deficient number, since it is larger than the sum of its proper divisors (84950179).

5012057021 is an equidigital number, since it uses as much as digits as its factorization.

5012057021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84950178.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 5012057021 is about 70795.8827969537. The cubic root of 5012057021 is about 1711.3493244045.

Adding to 5012057021 its reverse (1207502105), we get a palindrome (6219559126).

The spelling of 5012057021 in words is "five billion, twelve million, fifty-seven thousand, twenty-one".

Divisors: 1 59 84950119 5012057021