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5025025021 = 43116861047
BaseRepresentation
bin1001010111000001…
…11100101111111101
3110222012110201102211
410223200330233331
540242401300041
62150343420421
7235345002502
oct45340745775
913865421384
105025025021
11214954a745
12b82a54711
136210b12b3
143595374a9
151e624b481
hex12b83cbfd

5025025021 has 4 divisors (see below), whose sum is σ = 5141886112. Its totient is φ = 4908163932.

The previous prime is 5025025003. The next prime is 5025025037. The reversal of 5025025021 is 1205205205.

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 5025025021 - 215 = 5024992253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5025024983 and 5025025001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5025025081) 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, 58430481 + ... + 58430566.

It is an arithmetic number, because the mean of its divisors is an integer number (1285471528).

Almost surely, 25025025021 is an apocalyptic number.

It is an amenable number.

5025025021 is a deficient number, since it is larger than the sum of its proper divisors (116861091).

5025025021 is a wasteful number, since it uses less digits than its factorization.

5025025021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116861090.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 5025025021 is about 70887.4108780960. The cubic root of 5025025021 is about 1712.8240126858.

The spelling of 5025025021 in words is "five billion, twenty-five million, twenty-five thousand, twenty-one".

Divisors: 1 43 116861047 5025025021