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11029191210 = 2325122546569
BaseRepresentation
bin10100100010110010…
…00001101000101010
31001110122100222001100
422101121001220222
5140041433104320
65022225502230
7540212402262
oct122131015052
931418328040
1011029191210
11474a766664
1221797a1976
131069ca845b
14768b0c7a2
15448408790
hex291641a2a

11029191210 has 24 divisors (see below), whose sum is σ = 28675897380. Its totient is φ = 2941117632.

The previous prime is 11029191209. The next prime is 11029191223. The reversal of 11029191210 is 1219192011.

It can be written as a sum of positive squares in 2 ways, for example, as 8977373001 + 2051818209 = 94749^2 + 45297^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61273195 + ... + 61273374.

Almost surely, 211029191210 is an apocalyptic number.

11029191210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11029191210 is an abundant number, since it is smaller than the sum of its proper divisors (17646706170).

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

11029191210 is a wasteful number, since it uses less digits than its factorization.

11029191210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122546582 (or 122546579 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 11029191210 in words is "eleven billion, twenty-nine million, one hundred ninety-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 122546569 245093138 367639707 612732845 735279414 1102919121 1225465690 1838198535 2205838242 3676397070 5514595605 11029191210