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12550414422 = 23713193119099
BaseRepresentation
bin10111011000001000…
…00010000001010110
31012101122211002222210
423230010002001112
5201200401230142
65433210534250
7623003522340
oct135404020126
935348732883
1012550414422
115360422127
122523137386
1312501bb830
14870b78290
154d6c4649c
hex2ec102056

12550414422 has 64 divisors (see below), whose sum is σ = 31053657600. Its totient is φ = 3292821504.

The previous prime is 12550414417. The next prime is 12550414423. The reversal of 12550414422 is 22441405521.

It is a self number, because there is not a number n which added to its sum of digits gives 12550414422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550414423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45829 + ... + 164927.

It is an arithmetic number, because the mean of its divisors is an integer number (485213400).

Almost surely, 212550414422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12550414422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15526828800).

12550414422 is an abundant number, since it is smaller than the sum of its proper divisors (18503243178).

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

12550414422 is a wasteful number, since it uses less digits than its factorization.

12550414422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119317.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 12550414422 its reverse (22441405521), we get a palindrome (34991819943).

The spelling of 12550414422 in words is "twelve billion, five hundred fifty million, four hundred fourteen thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 193 273 386 546 579 1158 1351 2509 2702 4053 5018 7527 8106 15054 17563 35126 52689 105378 119099 238198 357297 714594 833693 1548287 1667386 2501079 3096574 4644861 5002158 9289722 10838009 21676018 22986107 32514027 45972214 65028054 68958321 137916642 160902749 298819391 321805498 482708247 597638782 896458173 965416494 1792916346 2091735737 4183471474 6275207211 12550414422