Base | Representation |
---|---|
bin | 110111110101010000100101… |
… | …110101111011101111000111 |
3 | 1012012102120221021120111020110 |
4 | 313311100211311323233013 |
5 | 224141113012304022330 |
6 | 2230125132533004103 |
7 | 102502403662352415 |
oct | 6765204565735707 |
9 | 1165376837514213 |
10 | 245552505142215 |
11 | 71271261680897 |
12 | 23659879183633 |
13 | a70266a81824b |
14 | 448cb39dc82b5 |
15 | 1d5c5b6899db0 |
hex | df5425d7bbc7 |
245552505142215 has 16 divisors (see below), whose sum is σ = 392886253605888. Its totient is φ = 130960587616416.
The previous prime is 245552505142183. The next prime is 245552505142229. The reversal of 245552505142215 is 512241505255542.
It is not a de Polignac number, because 245552505142215 - 25 = 245552505142183 is a prime.
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, 44061519 + ... + 49320608.
It is an arithmetic number, because the mean of its divisors is an integer number (24555390850368).
Almost surely, 2245552505142215 is an apocalyptic number.
245552505142215 is a deficient number, since it is larger than the sum of its proper divisors (147333748463673).
245552505142215 is a wasteful number, since it uses less digits than its factorization.
245552505142215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93557438.
The product of its (nonzero) digits is 4000000, while the sum is 48.
The spelling of 245552505142215 in words is "two hundred forty-five trillion, five hundred fifty-two billion, five hundred five million, one hundred forty-two thousand, two hundred fifteen".
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