Base | Representation |
---|---|
bin | 100010010111010… |
… | …1111000110110001 |
3 | 2222100202122221000 |
4 | 1010232233012301 |
5 | 4330143233012 |
6 | 310230552213 |
7 | 40401131106 |
oct | 10456570661 |
9 | 2870678830 |
10 | 1153102257 |
11 | 54199487a |
12 | 282208669 |
13 | 154b84138 |
14 | ad202aad |
15 | 6b374ddc |
hex | 44baf1b1 |
1153102257 has 32 divisors (see below), whose sum is σ = 1767260160. Its totient is φ = 742312080.
The previous prime is 1153102219. The next prime is 1153102259. The reversal of 1153102257 is 7522013511.
1153102257 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1153102257 - 210 = 1153101233 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 1153102257.
It is not an unprimeable number, because it can be changed into a prime (1153102259) 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, 470008 + ... + 472454.
It is an arithmetic number, because the mean of its divisors is an integer number (55226880).
Almost surely, 21153102257 is an apocalyptic number.
It is an amenable number.
1153102257 is a deficient number, since it is larger than the sum of its proper divisors (614157903).
1153102257 is a wasteful number, since it uses less digits than its factorization.
1153102257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3050 (or 3044 counting only the distinct ones).
The product of its (nonzero) digits is 2100, while the sum is 27.
The square root of 1153102257 is about 33957.3593938045. The cubic root of 1153102257 is about 1048.6307949179.
Adding to 1153102257 its reverse (7522013511), we get a palindrome (8675115768).
The spelling of 1153102257 in words is "one billion, one hundred fifty-three million, one hundred two thousand, two hundred fifty-seven".
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