Base | Representation |
---|---|
bin | 100010011011010… |
… | …0011000101001101 |
3 | 2222111121201010011 |
4 | 1010312203011031 |
5 | 4331204301112 |
6 | 310342513221 |
7 | 40424420500 |
oct | 10466430515 |
9 | 2874551104 |
10 | 1155150157 |
11 | 543063457 |
12 | 282a35811 |
13 | 155420305 |
14 | ad5b7137 |
15 | 6b62baa7 |
hex | 44da314d |
1155150157 has 12 divisors (see below), whose sum is σ = 1345190880. Its totient is φ = 989064216.
The previous prime is 1155150089. The next prime is 1155150167. The reversal of 1155150157 is 7510515511.
It is not a de Polignac number, because 1155150157 - 211 = 1155148109 is a prime.
It is the 33988-th Hogben number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1155150167) by changing a digit.
It is a nontrivial repunit in base 33987.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35194 + ... + 59572.
It is an arithmetic number, because the mean of its divisors is an integer number (112099240).
Almost surely, 21155150157 is an apocalyptic number.
It is an amenable number.
1155150157 is a deficient number, since it is larger than the sum of its proper divisors (190040723).
1155150157 is an equidigital number, since it uses as much as digits as its factorization.
1155150157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25360 (or 25353 counting only the distinct ones).
The product of its (nonzero) digits is 4375, while the sum is 31.
The square root of 1155150157 is about 33987.5000110335. The cubic root of 1155150157 is about 1049.2512142941.
Adding to 1155150157 its reverse (7510515511), we get a palindrome (8665665668).
The spelling of 1155150157 in words is "one billion, one hundred fifty-five million, one hundred fifty thousand, one hundred fifty-seven".
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