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121013101233 = 3253253696229
BaseRepresentation
bin111000010110011110…
…0010110001010110001
3102120100121111111010100
41300230330112022301
53440313323214413
6131332002423013
711512550250213
oct1605474261261
9376317444110
10121013101233
1147359817072
121b553061a69
13b54706085b
145bddb045b3
153233dc3a73
hex1c2cf162b1

121013101233 has 12 divisors (see below), whose sum is σ = 178094753460. Its totient is φ = 79153223136.

The previous prime is 121013101207. The next prime is 121013101243. The reversal of 121013101233 is 332101310121.

121013101233 is a `hidden beast` number, since 121 + 0 + 1 + 310 + 1 + 233 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30045715569 + 90967385664 = 173337^2 + 301608^2 .

It is not a de Polignac number, because 121013101233 - 25 = 121013101201 is a prime.

It is a super-2 number, since 2×1210131012332 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121013101243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126847638 + ... + 126848591.

It is an arithmetic number, because the mean of its divisors is an integer number (14841229455).

Almost surely, 2121013101233 is an apocalyptic number.

It is an amenable number.

121013101233 is a deficient number, since it is larger than the sum of its proper divisors (57081652227).

121013101233 is a wasteful number, since it uses less digits than its factorization.

121013101233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253696288 (or 253696285 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121013101233 its reverse (332101310121), we get a palindrome (453114411354).

The spelling of 121013101233 in words is "one hundred twenty-one billion, thirteen million, one hundred one thousand, two hundred thirty-three".

Divisors: 1 3 9 53 159 477 253696229 761088687 2283266061 13445900137 40337700411 121013101233