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5105721200 = 245212764303
BaseRepresentation
bin1001100000101001…
…10001111101110000
3111011211022111210012
410300110301331300
540424031034300
62202345154052
7240344625356
oct46024617560
914154274705
105105721200
1121900569a8
12ba5a8b928
13634a26508
143661417d6
151ed38b435
hex130531f70

5105721200 has 30 divisors (see below), whose sum is σ = 12266496144. Its totient is φ = 2042288320.

The previous prime is 5105721199. The next prime is 5105721221. The reversal of 5105721200 is 21275015.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6381752 + ... + 6382551.

Almost surely, 25105721200 is an apocalyptic number.

5105721200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5105721200 is an abundant number, since it is smaller than the sum of its proper divisors (7160774944).

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

5105721200 is a wasteful number, since it uses less digits than its factorization.

5105721200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12764321 (or 12764310 counting only the distinct ones).

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

The square root of 5105721200 is about 71454.3294699488. The cubic root of 5105721200 is about 1721.9440341205.

Adding to 5105721200 its reverse (21275015), we get a palindrome (5126996215).

The spelling of 5105721200 in words is "five billion, one hundred five million, seven hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 12764303 25528606 51057212 63821515 102114424 127643030 204228848 255286060 319107575 510572120 638215150 1021144240 1276430300 2552860600 5105721200