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11001012211210 = 257238895772961
BaseRepresentation
bin1010000000010101111101…
…1011001100111000001010
31102221200112110022100001111
42200011133123030320022
52420220033111224320
635221443434440534
72213540223633400
oct240053733147012
942850473270044
1011001012211210
1135615596631aa
1212980a089314a
1361a5110483b8
142a0647b81470
1514126549da5a
hexa015f6cce0a

11001012211210 has 48 divisors (see below), whose sum is σ = 23040699556680. Its totient is φ = 3770805104640.

The previous prime is 11001012211187. The next prime is 11001012211237. The reversal of 11001012211210 is 1211221010011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9729889002729 + 1271123208481 = 3119277^2 + 1127441^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 980871 + ... + 4792090.

Almost surely, 211001012211210 is an apocalyptic number.

11001012211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001012211210 is an abundant number, since it is smaller than the sum of its proper divisors (12039687345470).

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

11001012211210 is a wasteful number, since it uses less digits than its factorization.

11001012211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776871 (or 5776864 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11001012211210 its reverse (1211221010011), we get a palindrome (12212233221221).

The spelling of 11001012211210 in words is "eleven trillion, one billion, twelve million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 3889 7778 19445 27223 38890 54446 136115 190561 272230 381122 952805 1905610 5772961 11545922 28864805 40410727 57729610 80821454 202053635 282875089 404107270 565750178 1414375445 2828750890 22451045329 44902090658 112255226645 157157317303 224510453290 314314634606 785786586515 1100101221121 1571573173030 2200202442242 5500506105605 11001012211210