Search a number
-
+
103220213121321 = 31914931212914221
BaseRepresentation
bin10111011110000011010100…
…001000110000000100101001
3111112110202102010102102222020
4113132003110020300010221
5102012124444024340241
61003310413345415053
730512262051064242
oct2736032410600451
9445422363372866
10103220213121321
112a9864a03a829a
12b6b092863a489
13457981686c41a
141b6bc5650bcc9
15bdeedbca0b66
hex5de0d4230129

103220213121321 has 16 divisors (see below), whose sum is σ = 144967507813440. Its totient is φ = 65148048584640.

The previous prime is 103220213121271. The next prime is 103220213121349. The reversal of 103220213121321 is 123121312022301.

It is not a de Polignac number, because 103220213121321 - 211 = 103220213119273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103220213121291 and 103220213121300.

It is not an unprimeable number, because it can be changed into a prime (103220213121721) 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 15 ways as a sum of consecutive naturals, for example, 606372010 + ... + 606542211.

It is an arithmetic number, because the mean of its divisors is an integer number (9060469238340).

Almost surely, 2103220213121321 is an apocalyptic number.

It is an amenable number.

103220213121321 is a deficient number, since it is larger than the sum of its proper divisors (41747294692119).

103220213121321 is a wasteful number, since it uses less digits than its factorization.

103220213121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212915736.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 103220213121321 its reverse (123121312022301), we get a palindrome (226341525143622).

The spelling of 103220213121321 in words is "one hundred three trillion, two hundred twenty billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 3 19 57 1493 4479 28367 85101 1212914221 3638742663 23045370199 69136110597 1810880931953 5432642795859 34406737707107 103220213121321