Search a number
-
+
122202220131 = 3331839174017
BaseRepresentation
bin111000111001111010…
…0011110011001100011
3102200102111000222121000
41301303310132121203
54000232232021011
6132050001403043
711554166506155
oct1616364363143
9380374028530
10122202220131
1147909a70762
121b825339483
13b6a65153c4
145cb3a00ad5
1532a34b0356
hex1c73d1e663

122202220131 has 32 divisors (see below), whose sum is σ = 187104153600. Its totient is φ = 78745720320.

The previous prime is 122202220123. The next prime is 122202220141. The reversal of 122202220131 is 131022202221.

It is not a de Polignac number, because 122202220131 - 23 = 122202220123 is a prime.

It is a super-2 number, since 2×1222022201312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122202220141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615235 + ... + 789251.

It is an arithmetic number, because the mean of its divisors is an integer number (5847004800).

Almost surely, 2122202220131 is an apocalyptic number.

122202220131 is a deficient number, since it is larger than the sum of its proper divisors (64901933469).

122202220131 is a wasteful number, since it uses less digits than its factorization.

122202220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174896 (or 174890 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122202220131 its reverse (131022202221), we get a palindrome (253224422352).

The spelling of 122202220131 in words is "one hundred twenty-two billion, two hundred two million, two hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 9 27 31 93 279 837 839 2517 7551 22653 26009 78027 174017 234081 522051 702243 1566153 4698459 5394527 16183581 48550743 145652229 146000263 438000789 1314002367 3942007101 4526008153 13578024459 40734073377 122202220131