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5100108260 = 2251319615801
BaseRepresentation
bin1001011111111110…
…10111100111100100
3111011102202100021112
410233333113213210
540421111431020
62202025004152
7240246130202
oct45777274744
914142670245
105100108260
112187972905
12ba4023658
1363380c750
143654c0072
151ecb2d2c5
hex12ffd79e4

5100108260 has 24 divisors (see below), whose sum is σ = 11534091576. Its totient is φ = 1883116800.

The previous prime is 5100108259. The next prime is 5100108263. The reversal of 5100108260 is 628010015.

It can be written as a sum of positive squares in 4 ways, for example, as 3290596 + 5096817664 = 1814^2 + 71392^2 .

It is a super-3 number, since 3×51001082603 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (5100108263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9807641 + ... + 9808160.

It is an arithmetic number, because the mean of its divisors is an integer number (480587149).

Almost surely, 25100108260 is an apocalyptic number.

It is an amenable number.

5100108260 is an abundant number, since it is smaller than the sum of its proper divisors (6433983316).

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

5100108260 is a wasteful number, since it uses less digits than its factorization.

5100108260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19615823 (or 19615821 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 5100108260 is about 71415.0422530156. The cubic root of 5100108260 is about 1721.3128002483.

Adding to 5100108260 its reverse (628010015), we get a palindrome (5728118275).

The spelling of 5100108260 in words is "five billion, one hundred million, one hundred eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 19615801 39231602 78463204 98079005 196158010 255005413 392316020 510010826 1020021652 1275027065 2550054130 5100108260