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121002303133 = 197614224889
BaseRepresentation
bin111000010110001001…
…1001001111010011101
3102120022212011212220201
41300230103021322131
53440303042200013
6131330535143501
711512356414655
oct1605423117235
9376285155821
10121002303133
1147353711318
121b54b514b91
13b544a4c94a
145bdc4d3365
153232e8e3dd
hex1c2c4c9e9d

121002303133 has 4 divisors (see below), whose sum is σ = 121616528220. Its totient is φ = 120388078048.

The previous prime is 121002303127. The next prime is 121002303143. The reversal of 121002303133 is 331303200121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331303200121 = 1521721771913.

It can be written as a sum of positive squares in 2 ways, for example, as 61296846724 + 59705456409 = 247582^2 + 244347^2 .

It is a cyclic number.

It is not a de Polignac number, because 121002303133 - 25 = 121002303101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121002303133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002303143) 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 3 ways as a sum of consecutive naturals, for example, 307112248 + ... + 307112641.

It is an arithmetic number, because the mean of its divisors is an integer number (30404132055).

Almost surely, 2121002303133 is an apocalyptic number.

It is an amenable number.

121002303133 is a deficient number, since it is larger than the sum of its proper divisors (614225087).

121002303133 is an equidigital number, since it uses as much as digits as its factorization.

121002303133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614225086.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121002303133 its reverse (331303200121), we get a palindrome (452305503254).

The spelling of 121002303133 in words is "one hundred twenty-one billion, two million, three hundred three thousand, one hundred thirty-three".

Divisors: 1 197 614224889 121002303133