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11212151202 = 2327175234431
BaseRepresentation
bin10100111000100101…
…11101100110100010
31001221101122021222100
422130102331212202
5140430302314302
65052323151230
7544563466320
oct123422754642
931841567870
1011212151202
114833a7016a
12220ab15516
131098b776c5
14785136d10
154594e8d1c
hex29c4bd9a2

11212151202 has 48 divisors (see below), whose sum is σ = 29396570112. Its totient is φ = 3015031680.

The previous prime is 11212151191. The next prime is 11212151243. The reversal of 11212151202 is 20215121211.

11212151202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2615074 + ... + 2619357.

It is an arithmetic number, because the mean of its divisors is an integer number (612428544).

Almost surely, 211212151202 is an apocalyptic number.

11212151202 is an abundant number, since it is smaller than the sum of its proper divisors (18184418910).

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

11212151202 is a wasteful number, since it uses less digits than its factorization.

11212151202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234463 (or 5234460 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 11212151202 its reverse (20215121211), we get a palindrome (31427272413).

The spelling of 11212151202 in words is "eleven billion, two hundred twelve million, one hundred fifty-one thousand, two hundred two".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 306 357 714 1071 2142 5234431 10468862 15703293 31406586 36641017 47109879 73282034 88985327 94219758 109923051 177970654 219846102 266955981 329769153 533911962 622897289 659538306 800867943 1245794578 1601735886 1868691867 3737383734 5606075601 11212151202