Base | Representation |
---|---|
bin | 101111111101111101… |
… | …1110111000100101101 |
3 | 100211220000102001200202 |
4 | 1133323323313010231 |
5 | 3141431310133401 |
6 | 115153403403245 |
7 | 10304465142452 |
oct | 1377373670455 |
9 | 324800361622 |
10 | 103011021101 |
11 | 3a76104389a |
12 | 17b6a223525 |
13 | 9938582531 |
14 | 4db2cd5829 |
15 | 2a2d75906b |
hex | 17fbef712d |
103011021101 has 4 divisors (see below), whose sum is σ = 103012299900. Its totient is φ = 103009742304.
The previous prime is 103011021079. The next prime is 103011021121. The reversal of 103011021101 is 101120110301.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101120110301 = 7 ⋅14445730043.
It can be written as a sum of positive squares in 2 ways, for example, as 2427532900 + 100583488201 = 49270^2 + 317149^2 .
It is a cyclic number.
It is not a de Polignac number, because 103011021101 - 214 = 103011004717 is a prime.
It is a super-2 number, since 2×1030110211012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103011021121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509816 + ... + 682593.
It is an arithmetic number, because the mean of its divisors is an integer number (25753074975).
Almost surely, 2103011021101 is an apocalyptic number.
It is an amenable number.
103011021101 is a deficient number, since it is larger than the sum of its proper divisors (1278799).
103011021101 is an equidigital number, since it uses as much as digits as its factorization.
103011021101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1278798.
The product of its (nonzero) digits is 6, while the sum is 11.
Adding to 103011021101 its reverse (101120110301), we get a palindrome (204131131402).
The spelling of 103011021101 in words is "one hundred three billion, eleven million, twenty-one thousand, one hundred one".
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