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1222420444196 = 22726576194841
BaseRepresentation
bin10001110010011101111…
…011111011010000100100
311022212021120201200110112
4101302131323323100210
5130012004113203241
62333323332312152
7154213501222400
oct21623573732044
94285246650415
101222420444196
11431475521716
12178ab6172658
138b373588933
1443246072100
1521be81ba1eb
hex11c9defb424

1222420444196 has 36 divisors (see below), whose sum is σ = 2488562841996. Its totient is φ = 523880985600.

The previous prime is 1222420444183. The next prime is 1222420444243. The reversal of 1222420444196 is 6914440242221.

It can be written as a sum of positive squares in 2 ways, for example, as 1087878204196 + 134542240000 = 1043014^2 + 366800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12841736 + ... + 12936576.

It is an arithmetic number, because the mean of its divisors is an integer number (69126745611).

Almost surely, 21222420444196 is an apocalyptic number.

It is an amenable number.

1222420444196 is an abundant number, since it is smaller than the sum of its proper divisors (1266142397800).

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

1222420444196 is a wasteful number, since it uses less digits than its factorization.

1222420444196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160620 (or 160611 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 1222420444196 in words is "one trillion, two hundred twenty-two billion, four hundred twenty million, four hundred forty-four thousand, one hundred ninety-six".

Divisors: 1 2 4 7 14 28 49 98 196 65761 94841 131522 189682 263044 379364 460327 663887 920654 1327774 1841308 2655548 3222289 4647209 6444578 9294418 12889156 18588836 6236839001 12473678002 24947356004 43657873007 87315746014 174631492028 305605111049 611210222098 1222420444196