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11112011010 = 2325123466789
BaseRepresentation
bin10100101100101001…
…11101010100000010
31001200102012122110100
422112110331110002
5140224133323020
65034344543230
7542236351362
oct122624752402
931612178410
1011112011010
114792493381
1221a1481b16
1310811b5159
14775b0a9a2
15450817a90
hex29653d502

11112011010 has 24 divisors (see below), whose sum is σ = 28891228860. Its totient is φ = 2963202912.

The previous prime is 11112010991. The next prime is 11112011041. The reversal of 11112011010 is 1011021111.

It can be written as a sum of positive squares in 2 ways, for example, as 9151026921 + 1960984089 = 95661^2 + 44283^2 .

It is a super-2 number, since 2×111120110102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11112010983 and 11112011001.

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, 61733305 + ... + 61733484.

Almost surely, 211112011010 is an apocalyptic number.

11112011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112011010 is an abundant number, since it is smaller than the sum of its proper divisors (17779217850).

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

11112011010 is a wasteful number, since it uses less digits than its factorization.

11112011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123466802 (or 123466799 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11112011010 its reverse (1011021111), we get a palindrome (12123032121).

The spelling of 11112011010 in words is "eleven billion, one hundred twelve million, eleven thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 123466789 246933578 370400367 617333945 740800734 1111201101 1234667890 1852001835 2222402202 3704003670 5556005505 11112011010