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121058970131 = 1111005360921
BaseRepresentation
bin111000010111110101…
…1010100101000010011
3102120110210210212102102
41300233223110220103
53440412044021011
6131340321511015
711513645160611
oct1605753245023
9376423725372
10121058970131
11473826a6050
121b5664a246b
13b553700808
145c05c446b1
153237e3473b
hex1c2fad4a13

121058970131 has 4 divisors (see below), whose sum is σ = 132064331064. Its totient is φ = 110053609200.

The previous prime is 121058970119. The next prime is 121058970173. The reversal of 121058970131 is 131079850121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121058970131 - 222 = 121054775827 is a prime.

It is a super-2 number, since 2×1210589701312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121058930131) 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, 5502680450 + ... + 5502680471.

It is an arithmetic number, because the mean of its divisors is an integer number (33016082766).

Almost surely, 2121058970131 is an apocalyptic number.

121058970131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121058970131 is a deficient number, since it is larger than the sum of its proper divisors (11005360933).

121058970131 is a wasteful number, since it uses less digits than its factorization.

121058970131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11005360932.

The product of its (nonzero) digits is 15120, while the sum is 38.

The spelling of 121058970131 in words is "one hundred twenty-one billion, fifty-eight million, nine hundred seventy thousand, one hundred thirty-one".

Divisors: 1 11 11005360921 121058970131