Base | Representation |
---|---|
bin | 10001110101010010101… |
… | …011001010001111010101 |
3 | 11100011002220111112000120 |
4 | 101311102223022033111 |
5 | 130034211344201310 |
6 | 2334544252502153 |
7 | 154351601203662 |
oct | 21652253121725 |
9 | 4304086445016 |
10 | 1225452725205 |
11 | 432791130285 |
12 | 17960177a959 |
13 | 8b737863457 |
14 | 43452a7ca69 |
15 | 21d244d8b70 |
hex | 11d52aca3d5 |
1225452725205 has 16 divisors (see below), whose sum is σ = 1962041202240. Its totient is φ = 653135839488.
The previous prime is 1225452725179. The next prime is 1225452725281. The reversal of 1225452725205 is 5025272545221.
It is not a de Polignac number, because 1225452725205 - 29 = 1225452724693 is a prime.
It is a super-2 number, since 2×12254527252052 (a number of 25 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, 27411127 + ... + 27455796.
It is an arithmetic number, because the mean of its divisors is an integer number (122627575140).
Almost surely, 21225452725205 is an apocalyptic number.
1225452725205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1225452725205 is a deficient number, since it is larger than the sum of its proper divisors (736588477035).
1225452725205 is a wasteful number, since it uses less digits than its factorization.
1225452725205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54868420.
The product of its (nonzero) digits is 560000, while the sum is 42.
The spelling of 1225452725205 in words is "one trillion, two hundred twenty-five billion, four hundred fifty-two million, seven hundred twenty-five thousand, two hundred five".
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