Base | Representation |
---|---|
bin | 10010101111110110… |
… | …011010000010011111 |
3 | 1220221220102021211021 |
4 | 102233312122002133 |
5 | 312211304110130 |
6 | 13125254505011 |
7 | 1311562255453 |
oct | 225766320237 |
9 | 56856367737 |
10 | 20130144415 |
11 | 859aa3a497 |
12 | 3a99665167 |
13 | 1b8a644074 |
14 | d8d6c2663 |
15 | 7cc3c737a |
hex | 4afd9a09f |
20130144415 has 16 divisors (see below), whose sum is σ = 25968568320. Its totient is φ = 14931920160.
The previous prime is 20130144401. The next prime is 20130144427. The reversal of 20130144415 is 51444103102.
It is not a de Polignac number, because 20130144415 - 221 = 20128047263 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20130144415.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2249751 + ... + 2258680.
It is an arithmetic number, because the mean of its divisors is an integer number (1623035520).
Almost surely, 220130144415 is an apocalyptic number.
20130144415 is a deficient number, since it is larger than the sum of its proper divisors (5838423905).
20130144415 is a wasteful number, since it uses less digits than its factorization.
20130144415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4508502.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 20130144415 its reverse (51444103102), we get a palindrome (71574247517).
The spelling of 20130144415 in words is "twenty billion, one hundred thirty million, one hundred forty-four thousand, four hundred fifteen".
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