Base | Representation |
---|---|
bin | 10011100100010101… |
… | …11101111001110111 |
3 | 1000010010210020100022 |
4 | 21302022331321313 |
5 | 133003341142330 |
6 | 4454235235355 |
7 | 521222346644 |
oct | 116212757167 |
9 | 30103706308 |
10 | 10505412215 |
11 | 4501038761 |
12 | 20522a8b5b |
13 | cb5618b5c |
14 | 719326dcb |
15 | 417444ae5 |
hex | 2722bde77 |
10505412215 has 16 divisors (see below), whose sum is σ = 13017354240. Its totient is φ = 8130598560.
The previous prime is 10505412167. The next prime is 10505412241. The reversal of 10505412215 is 51221450501.
It is not a de Polignac number, because 10505412215 - 216 = 10505346679 is a prime.
It is a super-2 number, since 2×105054122152 (a number of 21 digits) contains 22 as substring.
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, 570482 + ... + 588608.
It is an arithmetic number, because the mean of its divisors is an integer number (813584640).
Almost surely, 210505412215 is an apocalyptic number.
10505412215 is a deficient number, since it is larger than the sum of its proper divisors (2511942025).
10505412215 is a wasteful number, since it uses less digits than its factorization.
10505412215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21902.
The product of its (nonzero) digits is 2000, while the sum is 26.
Adding to 10505412215 its reverse (51221450501), we get a palindrome (61726862716).
The spelling of 10505412215 in words is "ten billion, five hundred five million, four hundred twelve thousand, two hundred fifteen".
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