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245113100401031 = 2075311810971927
BaseRepresentation
bin110111101110110111010111…
…010001110111100110000111
31012010212120202102000212022222
4313232313113101313212013
5224111413112200313111
62225151223120242555
7102425560061602142
oct6756672721674607
91163776672025288
10245113100401031
1171111978100195
12235a868947045b
13a6a00b2553205
144475774729059
151d50e4a89c7db
hexdeedd7477987

245113100401031 has 4 divisors (see below), whose sum is σ = 245124911393712. Its totient is φ = 245101289408352.

The previous prime is 245113100401021. The next prime is 245113100401051. The reversal of 245113100401031 is 130104001311542.

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 245113100401031 - 242 = 240715053889927 is a prime.

It is a super-2 number, since 2×2451131004010312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245113100401021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5905465211 + ... + 5905506716.

It is an arithmetic number, because the mean of its divisors is an integer number (61281227848428).

Almost surely, 2245113100401031 is an apocalyptic number.

245113100401031 is a deficient number, since it is larger than the sum of its proper divisors (11810992681).

245113100401031 is a wasteful number, since it uses less digits than its factorization.

245113100401031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810992680.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 245113100401031 its reverse (130104001311542), we get a palindrome (375217101712573).

The spelling of 245113100401031 in words is "two hundred forty-five trillion, one hundred thirteen billion, one hundred million, four hundred one thousand, thirty-one".

Divisors: 1 20753 11810971927 245113100401031