Search a number
-
+
10321130103221 = 726172647128971
BaseRepresentation
bin1001011000110001001101…
…0010110010000110110101
31100112200122022011202000002
42112030103102302012311
52323100133301300341
633541243421401045
72113451140235300
oct226142322620665
940480568152002
1010321130103221
11331a191965643
1211a8379709185
1359b380822692
1427978c68db37
1512d72269d29b
hex963134b21b5

10321130103221 has 24 divisors (see below), whose sum is σ = 12030307995456. Its totient is φ = 8828939528640.

The previous prime is 10321130103209. The next prime is 10321130103289. The reversal of 10321130103221 is 12230103112301.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-10321130103221 is a prime.

It is a super-2 number, since 2×103211301032212 (a number of 27 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 = 10321130103193 and 10321130103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321130153221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79962266 + ... + 80091236.

It is an arithmetic number, because the mean of its divisors is an integer number (501262833144).

Almost surely, 210321130103221 is an apocalyptic number.

It is an amenable number.

10321130103221 is a deficient number, since it is larger than the sum of its proper divisors (1709177892235).

10321130103221 is a wasteful number, since it uses less digits than its factorization.

10321130103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132249 (or 132242 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10321130103221 its reverse (12230103112301), we get a palindrome (22551233215522).

The spelling of 10321130103221 in words is "ten trillion, three hundred twenty-one billion, one hundred thirty million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 7 49 617 2647 4319 18529 30233 128971 129703 902797 1633199 6319579 11432393 79575107 80026751 341386237 557025749 2389703659 3899180243 16727925613 210635308229 1474447157603 10321130103221