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121032020113 = 5314915326329
BaseRepresentation
bin111000010111000010…
…0100001000010010001
3102120101221002122221121
41300232010201002101
53440333144120423
6131333520122241
711513200124254
oct1605604410221
9376357078847
10121032020113
1147369469104
121b559466381
13b54ac55b64
145c0242b09b
1532358ae45d
hex1c2e121091

121032020113 has 8 divisors (see below), whose sum is σ = 124143273000. Its totient is φ = 117951420288.

The previous prime is 121032020059. The next prime is 121032020117. The reversal of 121032020113 is 311020230121.

It can be written as a sum of positive squares in 4 ways, for example, as 8043937344 + 112988082769 = 89688^2 + 336137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121032020113 - 29 = 121032019601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121032020117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7655268 + ... + 7671061.

It is an arithmetic number, because the mean of its divisors is an integer number (15517909125).

Almost surely, 2121032020113 is an apocalyptic number.

It is an amenable number.

121032020113 is a deficient number, since it is larger than the sum of its proper divisors (3111252887).

121032020113 is a wasteful number, since it uses less digits than its factorization.

121032020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326531.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121032020113 its reverse (311020230121), we get a palindrome (432052250234).

The spelling of 121032020113 in words is "one hundred twenty-one billion, thirty-two million, twenty thousand, one hundred thirteen".

Divisors: 1 53 149 7897 15326329 812295437 2283623021 121032020113