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202300025231 = 1929367150681
BaseRepresentation
bin1011110001101000000…
…1010110100110001111
3201100011122012001222002
42330122001112212033
511303302301301411
6232534011342515
720421116561633
oct2743201264617
9640148161862
10202300025231
11788820aa1a7
1233259a51a3b
13160cc9a2955
149b11758dc3
1553e034d33b
hex2f1a05698f

202300025231 has 8 divisors (see below), whose sum is σ = 220290409200. Its totient is φ = 185043942720.

The previous prime is 202300025219. The next prime is 202300025243. The reversal of 202300025231 is 132520003202.

202300025231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202300025219) and next prime (202300025243).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-202300025231 is a prime.

It is a super-2 number, since 2×2023000252312 (a number of 23 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 (202300025251) 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 7 ways as a sum of consecutive naturals, for example, 183574790 + ... + 183575891.

It is an arithmetic number, because the mean of its divisors is an integer number (27536301150).

Almost surely, 2202300025231 is an apocalyptic number.

202300025231 is a deficient number, since it is larger than the sum of its proper divisors (17990383969).

202300025231 is a wasteful number, since it uses less digits than its factorization.

202300025231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367150729.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 202300025231 its reverse (132520003202), we get a palindrome (334820028433).

The spelling of 202300025231 in words is "two hundred two billion, three hundred million, twenty-five thousand, two hundred thirty-one".

Divisors: 1 19 29 551 367150681 6975862939 10647369749 202300025231