Base | Representation |
---|---|
bin | 110111110101010000100101… |
… | …110101111011101110001011 |
3 | 1012012102120221021120111011020 |
4 | 313311100211311323232023 |
5 | 224141113012304022110 |
6 | 2230125132533003523 |
7 | 102502403662352301 |
oct | 6765204565735613 |
9 | 1165376837514136 |
10 | 245552505142155 |
11 | 71271261680842 |
12 | 236598791835a3 |
13 | a70266a818203 |
14 | 448cb39dc8271 |
15 | 1d5c5b6899d70 |
hex | df5425d7bb8b |
245552505142155 has 16 divisors (see below), whose sum is σ = 392884245480480. Its totient is φ = 130961256991488.
The previous prime is 245552505142127. The next prime is 245552505142177. The reversal of 245552505142155 is 551241505255542.
It is not a de Polignac number, because 245552505142155 - 243 = 236756412119947 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 245552505142098 and 245552505142107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27663231 + ... + 35445159.
It is an arithmetic number, because the mean of its divisors is an integer number (24555265342530).
Almost surely, 2245552505142155 is an apocalyptic number.
245552505142155 is a deficient number, since it is larger than the sum of its proper divisors (147331740338325).
245552505142155 is a wasteful number, since it uses less digits than its factorization.
245552505142155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9885550.
The product of its (nonzero) digits is 10000000, while the sum is 51.
The spelling of 245552505142155 in words is "two hundred forty-five trillion, five hundred fifty-two billion, five hundred five million, one hundred forty-two thousand, one hundred fifty-five".
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