Base | Representation |
---|---|
bin | 100000001011001010011… |
… | …110001011101110010000 |
3 | 21211101000002120120110010 |
4 | 200023022132023232100 |
5 | 242211122041200422 |
6 | 4411420215434520 |
7 | 315511614522222 |
oct | 40131236135620 |
9 | 7741002516403 |
10 | 2211010100112 |
11 | 782758619180 |
12 | 2b8612985a40 |
13 | 130660906188 |
14 | 79028d10412 |
15 | 3c7a7d38b0c |
hex | 202ca78bb90 |
2211010100112 has 80 divisors (see below), whose sum is σ = 6232235164992. Its totient is φ = 669873308160.
The previous prime is 2211010100111. The next prime is 2211010100129. The reversal of 2211010100112 is 2110010101122.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (2211010100111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2341138 + ... + 3146894.
Almost surely, 22211010100112 is an apocalyptic number.
2211010100112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2211010100112 is an abundant number, since it is smaller than the sum of its proper divisors (4021225064880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2211010100112 is a wasteful number, since it uses less digits than its factorization.
2211010100112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 810976 (or 810970 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 2211010100112 its reverse (2110010101122), we get a palindrome (4321020201234).
The spelling of 2211010100112 in words is "two trillion, two hundred eleven billion, ten million, one hundred thousand, one hundred twelve".
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