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12294688050 = 2325252272
BaseRepresentation
bin10110111001101001…
…00000110100110010
31011201211121212100200
423130310200310302
5200134420004200
65351553500030
7613450060401
oct133464406462
934654555320
1012294688050
11523a038117
122471571616
13120c222858
14848c0b638
154be580800
hex2dcd20d32

12294688050 has 54 divisors (see below), whose sum is σ = 33038049213. Its totient is φ = 3277956240.

The previous prime is 12294688013. The next prime is 12294688051. The reversal of 12294688050 is 5088649221.

It can be written as a sum of positive squares in 2 ways, for example, as 12048794289 + 245893761 = 109767^2 + 15681^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=78405.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 12294687987 and 12294688005.

It is not an unprimeable number, because it can be changed into a prime (12294688051) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2349537 + ... + 2354763.

Almost surely, 212294688050 is an apocalyptic number.

12294688050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12294688050 is an abundant number, since it is smaller than the sum of its proper divisors (20743361163).

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

12294688050 is an frugal number, since it uses more digits than its factorization.

12294688050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10472 (or 5237 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 12294688050 in words is "twelve billion, two hundred ninety-four million, six hundred eighty-eight thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 5227 10454 15681 26135 31362 47043 52270 78405 94086 130675 156810 235215 261350 392025 470430 784050 1176075 2352150 27321529 54643058 81964587 136607645 163929174 245893761 273215290 409822935 491787522 683038225 819645870 1229468805 1366076450 2049114675 2458937610 4098229350 6147344025 12294688050