Base | Representation |
---|---|
bin | 1100010001111… |
… | …01011100010011 |
3 | 21011211120001112 |
4 | 12020331130103 |
5 | 202332341430 |
6 | 14115523535 |
7 | 2360405603 |
oct | 610753423 |
9 | 234746045 |
10 | 103012115 |
11 | 53169588 |
12 | 2a5b95ab |
13 | 1845981b |
14 | d976c03 |
15 | 909c195 |
hex | 623d713 |
103012115 has 4 divisors (see below), whose sum is σ = 123614544. Its totient is φ = 82409688.
The previous prime is 103012097. The next prime is 103012121. The reversal of 103012115 is 511210301.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-103012115 is a prime.
It is a super-2 number, since 2×1030121152 = 21222991673546450, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 103012115.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10301207 + ... + 10301216.
It is an arithmetic number, because the mean of its divisors is an integer number (30903636).
Almost surely, 2103012115 is an apocalyptic number.
103012115 is a deficient number, since it is larger than the sum of its proper divisors (20602429).
103012115 is an equidigital number, since it uses as much as digits as its factorization.
103012115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20602428.
The product of its (nonzero) digits is 30, while the sum is 14.
The square root of 103012115 is about 10149.4884107525. The cubic root of 103012115 is about 468.7731925710.
Adding to 103012115 its reverse (511210301), we get a palindrome (614222416).
The spelling of 103012115 in words is "one hundred three million, twelve thousand, one hundred fifteen".
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