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26103136830 = 2354718512863
BaseRepresentation
bin11000010011110111…
…100100001000111110
32111101011122202001120
4120103313210020332
5411424400334310
615554104451410
71612601000511
oct302367441076
974334582046
1026103136830
11100855a4061
125085a79b66
1325ccc44bc4
141398aa0d78
15a2b977b70
hex613de423e

26103136830 has 32 divisors (see below), whose sum is σ = 63980457984. Its totient is φ = 6812733216.

The previous prime is 26103136823. The next prime is 26103136831. The reversal of 26103136830 is 3863130162.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26103136791 and 26103136800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26103136831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9255022 + ... + 9257841.

It is an arithmetic number, because the mean of its divisors is an integer number (1999389312).

Almost surely, 226103136830 is an apocalyptic number.

26103136830 is an abundant number, since it is smaller than the sum of its proper divisors (37877321154).

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

26103136830 is a wasteful number, since it uses less digits than its factorization.

26103136830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18512920.

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 26103136830 its reverse (3863130162), we get a palindrome (29966266992).

The spelling of 26103136830 in words is "twenty-six billion, one hundred three million, one hundred thirty-six thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 18512863 37025726 55538589 92564315 111077178 185128630 277692945 555385890 870104561 1740209122 2610313683 4350522805 5220627366 8701045610 13051568415 26103136830