Base | Representation |
---|---|
bin | 10100101101110111… |
… | …00010000000010010 |
3 | 1001201010020101011222 |
4 | 22112323202000102 |
5 | 140234230412040 |
6 | 5035345405042 |
7 | 542421324623 |
oct | 122673420022 |
9 | 31633211158 |
10 | 11122122770 |
11 | 479816a500 |
12 | 21a4939782 |
13 | 1083315845 |
14 | 7771bda4a |
15 | 451663bb5 |
hex | 296ee2012 |
11122122770 has 96 divisors (see below), whose sum is σ = 22599972864. Its totient is φ = 3936113280.
The previous prime is 11122122763. The next prime is 11122122773. The reversal of 11122122770 is 7722122111.
It is a super-2 number, since 2×111221227702 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (11122122773) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12681572 + ... + 12682448.
It is an arithmetic number, because the mean of its divisors is an integer number (235416384).
Almost surely, 211122122770 is an apocalyptic number.
11122122770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11122122770 is an abundant number, since it is smaller than the sum of its proper divisors (11477850094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11122122770 is a wasteful number, since it uses less digits than its factorization.
11122122770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1176 (or 1165 counting only the distinct ones).
The product of its (nonzero) digits is 784, while the sum is 26.
Adding to 11122122770 its reverse (7722122111), we get a palindrome (18844244881).
The spelling of 11122122770 in words is "eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, seven hundred seventy".
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