Base | Representation |
---|---|
bin | 1010000110000111100010… |
… | …1011010000110110110100 |
3 | 1110022011121102110021000201 |
4 | 2201201320223100312310 |
5 | 2423331222321200040 |
6 | 35335212024050244 |
7 | 2223651542033002 |
oct | 241417053206664 |
9 | 43264542407021 |
10 | 11100220100020 |
11 | 359a638956457 |
12 | 12b3369303984 |
13 | 62699170789c |
14 | 2a537992ba72 |
15 | 143b1edbda9a |
hex | a1878ad0db4 |
11100220100020 has 24 divisors (see below), whose sum is σ = 23370386293800. Its totient is φ = 4428673928832.
The previous prime is 11100220099981. The next prime is 11100220100023. The reversal of 11100220100020 is 2000102200111.
It can be written as a sum of positive squares in 4 ways, for example, as 7550219664 + 11092669880356 = 86892^2 + 3330566^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11100220100023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713373975 + ... + 713389534.
It is an arithmetic number, because the mean of its divisors is an integer number (973766095575).
Almost surely, 211100220100020 is an apocalyptic number.
11100220100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11100220100020 is an abundant number, since it is smaller than the sum of its proper divisors (12270166193780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11100220100020 is a wasteful number, since it uses less digits than its factorization.
11100220100020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1426763907 (or 1426763905 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 11100220100020 its reverse (2000102200111), we get a palindrome (13100322300131).
The spelling of 11100220100020 in words is "eleven trillion, one hundred billion, two hundred twenty million, one hundred thousand, twenty".
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