Base | Representation |
---|---|
bin | 11110100110101010100… |
… | …110011110010110000111 |
3 | 21110001110201222111121100 |
4 | 132212222212132112013 |
5 | 233424122403021411 |
6 | 4250052405551143 |
7 | 304641544262664 |
oct | 36465246362607 |
9 | 7401421874540 |
10 | 2103101220231 |
11 | 740a138a1610 |
12 | 29b7184154b3 |
13 | 12342470836b |
14 | 73b0d744a6b |
15 | 39a8e602456 |
hex | 1e9aa99e587 |
2103101220231 has 48 divisors (see below), whose sum is σ = 3389448291840. Its totient is φ = 1245659141760.
The previous prime is 2103101220113. The next prime is 2103101220281. The reversal of 2103101220231 is 1320221013012.
2103101220231 is a `hidden beast` number, since 2 + 1 + 0 + 310 + 122 + 0 + 231 = 666.
It is not a de Polignac number, because 2103101220231 - 221 = 2103099123079 is a prime.
It is a super-2 number, since 2×21031012202312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2103101220281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2847115 + ... + 3508883.
It is an arithmetic number, because the mean of its divisors is an integer number (70613506080).
Almost surely, 22103101220231 is an apocalyptic number.
2103101220231 is a deficient number, since it is larger than the sum of its proper divisors (1286347071609).
2103101220231 is a wasteful number, since it uses less digits than its factorization.
2103101220231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 662516 (or 662513 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 2103101220231 its reverse (1320221013012), we get a palindrome (3423322233243).
The spelling of 2103101220231 in words is "two trillion, one hundred three billion, one hundred one million, two hundred twenty thousand, two hundred thirty-one".
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