Base | Representation |
---|---|
bin | 10100101011100101… |
… | …01101000001110111 |
3 | 1001122210022102202202 |
4 | 22111302231001313 |
5 | 140214334001130 |
6 | 5033424255115 |
7 | 542100131660 |
oct | 122562550167 |
9 | 31583272682 |
10 | 11103031415 |
11 | 478840a923 |
12 | 219a47149b |
13 | 107c38cb98 |
14 | 774850367 |
15 | 44eb42145 |
hex | 295cad077 |
11103031415 has 64 divisors (see below), whose sum is σ = 16356307968. Its totient is φ = 7062681600.
The previous prime is 11103031411. The next prime is 11103031441. The reversal of 11103031415 is 51413030111.
It is not a de Polignac number, because 11103031415 - 22 = 11103031411 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11103031411) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14107652 + ... + 14108438.
It is an arithmetic number, because the mean of its divisors is an integer number (255567312).
Almost surely, 211103031415 is an apocalyptic number.
11103031415 is a deficient number, since it is larger than the sum of its proper divisors (5253276553).
11103031415 is a wasteful number, since it uses less digits than its factorization.
11103031415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1128.
The product of its (nonzero) digits is 180, while the sum is 20.
Adding to 11103031415 its reverse (51413030111), we get a palindrome (62516061526).
The spelling of 11103031415 in words is "eleven billion, one hundred three million, thirty-one thousand, four hundred fifteen".
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