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12355300446 = 2311318223157
BaseRepresentation
bin10111000000110111…
…01110110001011110
31011220001200021221020
423200123232301132
5200300424103241
65402000545010
7615114215046
oct134033566136
934801607836
1012355300446
115270277105
122489922166
13121b955488
14852ca8726
154c4a54b66
hex2e06eec5e

12355300446 has 16 divisors (see below), whose sum is σ = 24929280144. Its totient is φ = 4081986944.

The previous prime is 12355300421. The next prime is 12355300453. The reversal of 12355300446 is 64400355321.

It is a super-2 number, since 2×123553004462 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9110901 + ... + 9112256.

It is an arithmetic number, because the mean of its divisors is an integer number (1558080009).

Almost surely, 212355300446 is an apocalyptic number.

12355300446 is an abundant number, since it is smaller than the sum of its proper divisors (12573979698).

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

12355300446 is a wasteful number, since it uses less digits than its factorization.

12355300446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18223275.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 12355300446 its reverse (64400355321), we get a palindrome (76755655767).

The spelling of 12355300446 in words is "twelve billion, three hundred fifty-five million, three hundred thousand, four hundred forty-six".

Divisors: 1 2 3 6 113 226 339 678 18223157 36446314 54669471 109338942 2059216741 4118433482 6177650223 12355300446