Base | Representation |
---|---|
bin | 11101000000000110… |
… | …000011110000001111 |
3 | 2222101012121001010002 |
4 | 131000012003300033 |
5 | 1002233331214020 |
6 | 22150000234515 |
7 | 2151452330603 |
oct | 350006036017 |
9 | 88335531102 |
10 | 31140101135 |
11 | 1222a858980 |
12 | 605090ba3b |
13 | 2c23646660 |
14 | 1715a25503 |
15 | c23c81975 |
hex | 740183c0f |
31140101135 has 96 divisors (see below), whose sum is σ = 47907502272. Its totient is φ = 19139051520.
The previous prime is 31140101131. The next prime is 31140101147. The reversal of 31140101135 is 53110104113.
It is not a de Polignac number, because 31140101135 - 22 = 31140101131 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31140101131) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7643459 + ... + 7647531.
It is an arithmetic number, because the mean of its divisors is an integer number (499036482).
Almost surely, 231140101135 is an apocalyptic number.
31140101135 is a deficient number, since it is larger than the sum of its proper divisors (16767401137).
31140101135 is a wasteful number, since it uses less digits than its factorization.
31140101135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4173 (or 4156 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 20.
Adding to 31140101135 its reverse (53110104113), we get a palindrome (84250205248).
The spelling of 31140101135 in words is "thirty-one billion, one hundred forty million, one hundred one thousand, one hundred thirty-five".
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