Search a number
-
+
30120132032101 = 205657146458093
BaseRepresentation
bin1101101100100111000111…
…10001010011011001100101
310221122110022210022021222101
412312103203301103121211
512421442012300011401
6144020555253332101
76226051643664646
oct666234361233145
9127573283267871
1030120132032101
119662970335911
123465597337031
1313a6415aa4007
14761b720616cd
15373761660101
hex1b64e3c53665

30120132032101 has 4 divisors (see below), whose sum is σ = 30120278695852. Its totient is φ = 30119985368352.

The previous prime is 30120132032077. The next prime is 30120132032147. The reversal of 30120132032101 is 10123023102103.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3335097750625 + 26785034281476 = 1826225^2 + 5175426^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120132032101 - 219 = 30120131507813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120132032171) 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, 73023390 + ... + 73434703.

It is an arithmetic number, because the mean of its divisors is an integer number (7530069673963).

Almost surely, 230120132032101 is an apocalyptic number.

It is an amenable number.

30120132032101 is a deficient number, since it is larger than the sum of its proper divisors (146663751).

30120132032101 is a wasteful number, since it uses less digits than its factorization.

30120132032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146663750.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30120132032101 its reverse (10123023102103), we get a palindrome (40243155134204).

The spelling of 30120132032101 in words is "thirty trillion, one hundred twenty billion, one hundred thirty-two million, thirty-two thousand, one hundred one".

Divisors: 1 205657 146458093 30120132032101