Base | Representation |
---|---|
bin | 11110100111000101010… |
… | …110110111110011010111 |
3 | 21110002122000122201111200 |
4 | 132213011112313303113 |
5 | 233431032312140111 |
6 | 4250205123203543 |
7 | 304655634650121 |
oct | 36470526676327 |
9 | 7402560581450 |
10 | 2103550115031 |
11 | 741124222952 |
12 | 29b8228165b3 |
13 | 123496708ca1 |
14 | 73b531d6211 |
15 | 39ab8c23256 |
hex | 1e9c55b7cd7 |
2103550115031 has 24 divisors (see below), whose sum is σ = 3272761240320. Its totient is φ = 1297661265936.
The previous prime is 2103550114997. The next prime is 2103550115083. The reversal of 2103550115031 is 1305110553012.
2103550115031 is a `hidden beast` number, since 2 + 1 + 0 + 3 + 5 + 501 + 150 + 3 + 1 = 666.
It is not a de Polignac number, because 2103550115031 - 219 = 2103549590743 is a prime.
It is a super-2 number, since 2×21035501150312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2103550114986 and 2103550115004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2103550115431) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143032911 + ... + 143047616.
It is an arithmetic number, because the mean of its divisors is an integer number (136365051680).
Almost surely, 22103550115031 is an apocalyptic number.
2103550115031 is a deficient number, since it is larger than the sum of its proper divisors (1169211125289).
2103550115031 is a wasteful number, since it uses less digits than its factorization.
2103550115031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286080595 (or 286080592 counting only the distinct ones).
The product of its (nonzero) digits is 2250, while the sum is 27.
Adding to 2103550115031 its reverse (1305110553012), we get a palindrome (3408660668043).
The spelling of 2103550115031 in words is "two trillion, one hundred three billion, five hundred fifty million, one hundred fifteen thousand, thirty-one".
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