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12450204442 = 2131969136473
BaseRepresentation
bin10111001100001011…
…10000101100011010
31012010200020220202001
423212011300230122
5200444223020232
65415231031214
7620345664064
oct134605605432
935120226661
1012450204442
1153098a7965
1224b566b50a
1312355035a0
14861730734
154cd04e6e7
hex2e6170b1a

12450204442 has 32 divisors (see below), whose sum is σ = 21201606720. Its totient is φ = 5435786880.

The previous prime is 12450204427. The next prime is 12450204467. The reversal of 12450204442 is 24440205421.

It is a self number, because there is not a number n which added to its sum of digits gives 12450204442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323118 + ... + 359590.

It is an arithmetic number, because the mean of its divisors is an integer number (662550210).

Almost surely, 212450204442 is an apocalyptic number.

12450204442 is a deficient number, since it is larger than the sum of its proper divisors (8751402278).

12450204442 is a wasteful number, since it uses less digits than its factorization.

12450204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37198.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 12450204442 its reverse (24440205421), we get a palindrome (36890409863).

The spelling of 12450204442 in words is "twelve billion, four hundred fifty million, two hundred four thousand, four hundred forty-two".

Divisors: 1 2 13 19 26 38 247 494 691 1382 8983 13129 17966 26258 36473 72946 170677 341354 474149 692987 948298 1385974 9008831 18017662 25202843 50405686 327636959 478854017 655273918 957708034 6225102221 12450204442