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5389779836 = 227894494817
BaseRepresentation
bin1010000010100000…
…11000001101111100
3111220121211011222102
411001100120031330
542014240423321
62250453404232
7250364241560
oct50120301574
914817734872
105389779836
112316432401
121065039678
1367b83234c
14391b656a0
1521829bc0b
hex14141837c

5389779836 has 48 divisors (see below), whose sum is σ = 10927224000. Its totient is φ = 2278391808.

The previous prime is 5389779823. The next prime is 5389779847. The reversal of 5389779836 is 6389779835.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116500 + ... + 1121316.

It is an arithmetic number, because the mean of its divisors is an integer number (227650500).

Almost surely, 25389779836 is an apocalyptic number.

It is an amenable number.

5389779836 is an abundant number, since it is smaller than the sum of its proper divisors (5537444164).

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

5389779836 is a wasteful number, since it uses less digits than its factorization.

5389779836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366 (or 5364 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 65.

The square root of 5389779836 is about 73415.1199413309. The cubic root of 5389779836 is about 1753.3031313098.

Subtracting 5389779836 from its reverse (6389779835), we obtain a palindrome (999999999).

The spelling of 5389779836 in words is "five billion, three hundred eighty-nine million, seven hundred seventy-nine thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 28 89 178 356 449 623 898 1246 1796 2492 3143 4817 6286 9634 12572 19268 33719 39961 67438 79922 134876 159844 279727 428713 559454 857426 1118908 1714852 2162833 3000991 4325666 6001982 8651332 12003964 15139831 30279662 60559324 192492137 384984274 769968548 1347444959 2694889918 5389779836