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5185768782 = 234347538069
BaseRepresentation
bin1001101010001100…
…01000110101001110
3111101101221100102110
410311012020311032
541110024100112
62214325004450
7242336210265
oct46506106516
914341840373
105185768782
11222125a927
121008853726
136484a244c
14372a1b5dc
152053ee13c
hex135188d4e

5185768782 has 64 divisors (see below), whose sum is σ = 11044408320. Its totient is φ = 1621087104.

The previous prime is 5185768769. The next prime is 5185768871. The reversal of 5185768782 is 2878675815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638644 + ... + 646712.

It is an arithmetic number, because the mean of its divisors is an integer number (172568880).

Almost surely, 25185768782 is an apocalyptic number.

5185768782 is an abundant number, since it is smaller than the sum of its proper divisors (5858639538).

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

5185768782 is a wasteful number, since it uses less digits than its factorization.

5185768782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217.

The product of its digits is 7526400, while the sum is 57.

The square root of 5185768782 is about 72012.2821607537. The cubic root of 5185768782 is about 1730.8963003409.

The spelling of 5185768782 in words is "five billion, one hundred eighty-five million, seven hundred sixty-eight thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 43 47 53 86 94 106 129 141 159 258 282 318 2021 2279 2491 4042 4558 4982 6063 6837 7473 8069 12126 13674 14946 16138 24207 48414 107113 214226 321339 346967 379243 427657 642678 693934 758486 855314 1040901 1137729 1282971 2081802 2275458 2565942 16307449 18389251 20099879 32614898 36778502 40199758 48922347 55167753 60299637 97844694 110335506 120599274 864294797 1728589594 2592884391 5185768782