Base | Representation |
---|---|
bin | 1110000111110100010… |
… | …1001110000110111001 |
3 | 212012020101002210121022 |
4 | 3201331011032012321 |
5 | 12433334333022311 |
6 | 303242341352225 |
7 | 23346160554644 |
oct | 3417505160671 |
9 | 765211083538 |
10 | 242616689081 |
11 | 939908834a8 |
12 | 3b02ba08675 |
13 | 19b56538a70 |
14 | ba57dd6a5b |
15 | 649ea365db |
hex | 387d14e1b9 |
242616689081 has 8 divisors (see below), whose sum is σ = 268341120264. Its totient is φ = 217901059200.
The previous prime is 242616689059. The next prime is 242616689111. The reversal of 242616689081 is 180986616242.
It can be written as a sum of positive squares in 4 ways, for example, as 14690652025 + 227926037056 = 121205^2 + 477416^2 .
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 242616689081 - 218 = 242616426937 is a prime.
It is a super-3 number, since 3×2426166890813 (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 not an unprimeable number, because it can be changed into a prime (242616689041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252199820 + ... + 252200781.
It is an arithmetic number, because the mean of its divisors is an integer number (33542640033).
Almost surely, 2242616689081 is an apocalyptic number.
It is an amenable number.
242616689081 is a deficient number, since it is larger than the sum of its proper divisors (25724431183).
242616689081 is a wasteful number, since it uses less digits than its factorization.
242616689081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 504400651.
The product of its (nonzero) digits is 1990656, while the sum is 53.
The spelling of 242616689081 in words is "two hundred forty-two billion, six hundred sixteen million, six hundred eighty-nine thousand, eighty-one".
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