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13022220340 = 225739299601
BaseRepresentation
bin11000010000010111…
…10101000000110100
31020121112121100001001
430020023311000310
5203132142022330
65552103213044
7640463021653
oct141013650064
936545540031
1013022220340
115582781978
122635147184
1312c6b8192c
148b76b119a
155133909ca
hex3082f5034

13022220340 has 48 divisors (see below), whose sum is σ = 27754004880. Its totient is φ = 5131468800.

The previous prime is 13022220331. The next prime is 13022220353. The reversal of 13022220340 is 4302222031.

It can be written as a sum of positive squares in 8 ways, for example, as 591754276 + 12430466064 = 24326^2 + 111492^2 .

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, 1351540 + ... + 1361140.

It is an arithmetic number, because the mean of its divisors is an integer number (578208435).

Almost surely, 213022220340 is an apocalyptic number.

13022220340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13022220340 is an abundant number, since it is smaller than the sum of its proper divisors (14731784540).

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

13022220340 is a wasteful number, since it uses less digits than its factorization.

13022220340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10612 (or 10610 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 13022220340 its reverse (4302222031), we get a palindrome (17324442371).

The spelling of 13022220340 in words is "thirteen billion, twenty-two million, two hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 929 1460 1858 3716 4645 9290 9601 18580 19202 38404 48005 67817 96010 135634 192020 271268 339085 678170 700873 1356340 1401746 2803492 3504365 7008730 8919329 14017460 17838658 35677316 44596645 89193290 178386580 651111017 1302222034 2604444068 3255555085 6511110170 13022220340