Search a number
-
+
121123200030113 = 394330718539191
BaseRepresentation
bin11011100010100100110001…
…010011111101010110100001
3120212212021011001210102222202
4123202210301103331112201
5111333440303201430423
61105335121355342545
734340601545002361
oct3342446123752641
9525767131712882
10121123200030113
1135659073818206
12117025a2751a55
135277b3a85bcc8
1421ca5738149a1
15e00a5bc79728
hex6e29314fd5a1

121123200030113 has 4 divisors (see below), whose sum is σ = 121153918573248. Its totient is φ = 121092481486980.

The previous prime is 121123200030073. The next prime is 121123200030127. The reversal of 121123200030113 is 311030002321121.

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 a cyclic number.

It is not a de Polignac number, because 121123200030113 - 28 = 121123200029857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121123200030143) 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, 15359265653 + ... + 15359273538.

It is an arithmetic number, because the mean of its divisors is an integer number (30288479643312).

Almost surely, 2121123200030113 is an apocalyptic number.

It is an amenable number.

121123200030113 is a deficient number, since it is larger than the sum of its proper divisors (30718543135).

121123200030113 is an equidigital number, since it uses as much as digits as its factorization.

121123200030113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30718543134.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121123200030113 its reverse (311030002321121), we get a palindrome (432153202351234).

The spelling of 121123200030113 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, two hundred million, thirty thousand, one hundred thirteen".

Divisors: 1 3943 30718539191 121123200030113