Base | Representation |
---|---|
bin | 10000001100100010110011… |
… | …111111000111001110111111 |
3 | 100100012121000221121202212222 |
4 | 100030202303333013032333 |
5 | 33314021042332200411 |
6 | 411254542543515555 |
7 | 21001152366062051 |
oct | 2014426377071677 |
9 | 310177027552788 |
10 | 71230757303231 |
11 | 20772881574389 |
12 | 7ba4bb85b8bbb |
13 | 309905453a506 |
14 | 1383830c0b8d1 |
15 | 837d1ea4b4db |
hex | 40c8b3fc73bf |
71230757303231 has 4 divisors (see below), whose sum is σ = 71377021692432. Its totient is φ = 71084492914032.
The previous prime is 71230757303183. The next prime is 71230757303239. The reversal of 71230757303231 is 13230375703217.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 71230757303231 - 234 = 71213577434047 is a prime.
It is a super-2 number, since 2×712307573032312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71230757303239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73132193870 + ... + 73132194843.
It is an arithmetic number, because the mean of its divisors is an integer number (17844255423108).
Almost surely, 271230757303231 is an apocalyptic number.
71230757303231 is a deficient number, since it is larger than the sum of its proper divisors (146264389201).
71230757303231 is a wasteful number, since it uses less digits than its factorization.
71230757303231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146264389200.
The product of its (nonzero) digits is 555660, while the sum is 44.
The spelling of 71230757303231 in words is "seventy-one trillion, two hundred thirty billion, seven hundred fifty-seven million, three hundred three thousand, two hundred thirty-one".
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