Search a number
-
+
121023313130001 = 340341104376667
BaseRepresentation
bin11011100001000111101111…
…100101101011001000010001
3120212111201022202222011121210
4123201013233211223020101
5111330321221130130001
61105221201552410333
734330434343236222
oct3341075745531021
9525451282864553
10121023313130001
113561a776210797
12116a71668469a9
13526b5ac5cb899
1421c57b97d5249
15ded162930dd6
hex6e11ef96b211

121023313130001 has 4 divisors (see below), whose sum is σ = 161364417506672. Its totient is φ = 80682208753332.

The previous prime is 121023313129991. The next prime is 121023313130017. The reversal of 121023313130001 is 100031313320121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121023313130001 - 25 = 121023313129969 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 121023313130001.

It is not an unprimeable number, because it can be changed into a prime (121023313135001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20170552188331 + ... + 20170552188336.

It is an arithmetic number, because the mean of its divisors is an integer number (40341104376668).

Almost surely, 2121023313130001 is an apocalyptic number.

It is an amenable number.

121023313130001 is a deficient number, since it is larger than the sum of its proper divisors (40341104376671).

121023313130001 is an equidigital number, since it uses as much as digits as its factorization.

121023313130001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40341104376670.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121023313130001 its reverse (100031313320121), we get a palindrome (221054626450122).

The spelling of 121023313130001 in words is "one hundred twenty-one trillion, twenty-three billion, three hundred thirteen million, one hundred thirty thousand, one".

Divisors: 1 3 40341104376667 121023313130001