Base | Representation |
---|---|
bin | 10111011101111110111001… |
… | …001010001110001001001001 |
3 | 111112110022011021001001122020 |
4 | 113131332321022032021021 |
5 | 102012040233140221010 |
6 | 1003304310312515053 |
7 | 30512033312324463 |
oct | 2735767112161111 |
9 | 445408137031566 |
10 | 103215465554505 |
11 | 2a984484536057 |
12 | b6aba226aba89 |
13 | 457923b0c58a5 |
14 | 1b6b925b9b133 |
15 | bded100ae470 |
hex | 5ddfb928e249 |
103215465554505 has 32 divisors (see below), whose sum is σ = 166069211333760. Its totient is φ = 54740099742720.
The previous prime is 103215465554503. The next prime is 103215465554557. The reversal of 103215465554505 is 505455564512301.
It is not a de Polignac number, because 103215465554505 - 21 = 103215465554503 is a prime.
It is not an unprimeable number, because it can be changed into a prime (103215465554503) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334807735 + ... + 335115875.
It is an arithmetic number, because the mean of its divisors is an integer number (5189662854180).
Almost surely, 2103215465554505 is an apocalyptic number.
103215465554505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
103215465554505 is a deficient number, since it is larger than the sum of its proper divisors (62853745779255).
103215465554505 is a wasteful number, since it uses less digits than its factorization.
103215465554505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 433081.
The product of its (nonzero) digits is 9000000, while the sum is 51.
The spelling of 103215465554505 in words is "one hundred three trillion, two hundred fifteen billion, four hundred sixty-five million, five hundred fifty-four thousand, five hundred five".
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