Search a number
-
+
230857268071 = 7872711108203
BaseRepresentation
bin1101011100000000101…
…0100101101101100111
3211001212211200022120211
43113000022211231213
512240243430034241
6254015424240251
722451600254453
oct3270012455547
9731784608524
10230857268071
11899a6a00441
12388a9770087
1318a01198791
14b260321663
156012488781
hex35c02a5b67

230857268071 has 8 divisors (see below), whose sum is σ = 231238007424. Its totient is φ = 230476752120.

The previous prime is 230857268069. The next prime is 230857268087. The reversal of 230857268071 is 170862758032.

230857268071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230857268071 - 21 = 230857268069 is a prime.

It is a super-3 number, since 3×2308572680713 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230857268171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2079456 + ... + 2187658.

It is an arithmetic number, because the mean of its divisors is an integer number (28904750928).

Almost surely, 2230857268071 is an apocalyptic number.

230857268071 is a deficient number, since it is larger than the sum of its proper divisors (380739353).

230857268071 is a wasteful number, since it uses less digits than its factorization.

230857268071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111701.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 230857268071 in words is "two hundred thirty billion, eight hundred fifty-seven million, two hundred sixty-eight thousand, seventy-one".

Divisors: 1 787 2711 108203 2133557 85155761 293338333 230857268071