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12683302220 = 2254217150383
BaseRepresentation
bin10111100111111101…
…11101010101001100
31012201220212111210002
423303332331111030
5201433411132340
65454315103432
7626206201331
oct136376752514
935656774702
1012683302220
115419436756
12255b741b78
1312718a8874
1488468a988
154e3745715
hex2f3fbd54c

12683302220 has 24 divisors (see below), whose sum is σ = 26641427904. Its totient is φ = 5072084096.

The previous prime is 12683302201. The next prime is 12683302241. The reversal of 12683302220 is 2220338621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9149 + ... + 159531.

It is an arithmetic number, because the mean of its divisors is an integer number (1110059496).

Almost surely, 212683302220 is an apocalyptic number.

12683302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12683302220 is an abundant number, since it is smaller than the sum of its proper divisors (13958125684).

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

12683302220 is a wasteful number, since it uses less digits than its factorization.

12683302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154609 (or 154607 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 12683302220 in words is "twelve billion, six hundred eighty-three million, three hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 4217 8434 16868 21085 42170 84340 150383 300766 601532 751915 1503830 3007660 634165111 1268330222 2536660444 3170825555 6341651110 12683302220