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5021012980 = 225464954001
BaseRepresentation
bin1001010110100011…
…01001001111110100
3110221220220212221201
410223101221033310
540240334403410
62150121422244
7235265622544
oct45321511764
913856825851
105021012980
11214725a405
12b8163a984
136203080c9
14358bb1324
151e5c0783a
hex12b4693f4

5021012980 has 24 divisors (see below), whose sum is σ = 10546590600. Its totient is φ = 2007936000.

The previous prime is 5021012957. The next prime is 5021012987. The reversal of 5021012980 is 892101205.

It can be written as a sum of positive squares in 4 ways, for example, as 1116762724 + 3904250256 = 33418^2 + 62484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021012987) 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 7 ways as a sum of consecutive naturals, for example, 65980 + ... + 119980.

It is an arithmetic number, because the mean of its divisors is an integer number (439441275).

Almost surely, 25021012980 is an apocalyptic number.

It is an amenable number.

5021012980 is an abundant number, since it is smaller than the sum of its proper divisors (5525577620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5021012980 is a wasteful number, since it uses less digits than its factorization.

5021012980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58659 (or 58657 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 5021012980 is about 70859.1065424904. The cubic root of 5021012980 is about 1712.3680448169.

It can be divided in two parts, 50210 and 12980, that added together give a triangular number (63190 = T355).

The spelling of 5021012980 in words is "five billion, twenty-one million, twelve thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 4649 9298 18596 23245 46490 54001 92980 108002 216004 270005 540010 1080020 251050649 502101298 1004202596 1255253245 2510506490 5021012980