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5538688850 = 252731517449
BaseRepresentation
bin1010010100010000…
…11010111101010010
3112022000000112202002
411022020122331102
542320401020400
62313333154002
7254153035622
oct51210327522
915260015662
105538688850
112392499a02
1210a6a8b902
136a363b7a6
143a7848882
152263b2ed5
hex14a21af52

5538688850 has 24 divisors (see below), whose sum is σ = 10443090900. Its totient is φ = 2185125120.

The previous prime is 5538688817. The next prime is 5538688889. The reversal of 5538688850 is 588868355.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1259043289 + 4279645561 = 35483^2 + 65419^2 .

It is a super-2 number, since 2×55386888502 = 61354148354228645000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 755075 + ... + 762374.

Almost surely, 25538688850 is an apocalyptic number.

5538688850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5538688850 is a deficient number, since it is larger than the sum of its proper divisors (4904402050).

5538688850 is a wasteful number, since it uses less digits than its factorization.

5538688850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517534 (or 1517529 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 56.

The square root of 5538688850 is about 74422.3679413656. The cubic root of 5538688850 is about 1769.3034434521.

The spelling of 5538688850 in words is "five billion, five hundred thirty-eight million, six hundred eighty-eight thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 73 146 365 730 1825 3650 1517449 3034898 7587245 15174490 37936225 75872450 110773777 221547554 553868885 1107737770 2769344425 5538688850