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5124802021 = 46511101871
BaseRepresentation
bin1001100010111011…
…00100010111100101
3111020011012220202021
410301131210113211
540443422131041
62204310143141
7240666045523
oct46135442745
914204186667
105124802021
11219a8a9679
12bb0351ab1
13638977441
143688ab313
151eeda9cd1
hex1317645e5

5124802021 has 4 divisors (see below), whose sum is σ = 5125908544. Its totient is φ = 5123695500.

The previous prime is 5124801947. The next prime is 5124802069. The reversal of 5124802021 is 1202084215.

5124802021 is digitally balanced in base 3, 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 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 5124802021 - 217 = 5124670949 is a prime.

It is a super-3 number, since 3×51248020213 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5124862021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546285 + ... + 555586.

It is an arithmetic number, because the mean of its divisors is an integer number (1281477136).

Almost surely, 25124802021 is an apocalyptic number.

It is an amenable number.

5124802021 is a deficient number, since it is larger than the sum of its proper divisors (1106523).

5124802021 is a wasteful number, since it uses less digits than its factorization.

5124802021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106522.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 5124802021 is about 71587.7225577124. The cubic root of 5124802021 is about 1724.0864191055.

Adding to 5124802021 its reverse (1202084215), we get a palindrome (6326886236).

The spelling of 5124802021 in words is "five billion, one hundred twenty-four million, eight hundred two thousand, twenty-one".

Divisors: 1 4651 1101871 5124802021