Search a number
-
+
42103010240221 = 789497313589599
BaseRepresentation
bin10011001001010110111101…
…11110000010011011011101
312112002000020011201020210211
421210223132332002123131
521004303431110141341
6225313504512132421
711603561562122620
oct1144533676023335
9175060204636724
1042103010240221
1112462871725a97
12487ba18b37111
131a653b2199aa8
14a57b21ad9db7
154d02e134c181
hex264adef826dd

42103010240221 has 16 divisors (see below), whose sum is σ = 48668162688000. Its totient is φ = 35675630103168.

The previous prime is 42103010240219. The next prime is 42103010240293. The reversal of 42103010240221 is 12204201030124.

It is a cyclic number.

It is not a de Polignac number, because 42103010240221 - 21 = 42103010240219 is a prime.

It is a super-2 number, since 2×421030102402212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42103010240192 and 42103010240201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103010243221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3696621 + ... + 9892978.

It is an arithmetic number, because the mean of its divisors is an integer number (3041760168000).

Almost surely, 242103010240221 is an apocalyptic number.

It is an amenable number.

42103010240221 is a deficient number, since it is larger than the sum of its proper divisors (6565152447779).

42103010240221 is a wasteful number, since it uses less digits than its factorization.

42103010240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13594668.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 42103010240221 its reverse (12204201030124), we get a palindrome (54307211270345).

The spelling of 42103010240221 in words is "forty-two trillion, one hundred three billion, ten million, two hundred forty thousand, two hundred twenty-one".

Divisors: 1 7 89 623 4973 34811 442597 3098179 13589599 95127193 1209474311 8466320177 67581075827 473067530789 6014715748603 42103010240221