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201230231429 = 17101349335813
BaseRepresentation
bin1011101101101001000…
…0011010011110000101
3201020102002011220202102
42323122100122132011
511244104414401204
6232235514121445
720352446513363
oct2733220323605
9636362156672
10201230231429
1178383246297
1232bbb720285
1315c8c169a76
149a4d640633
15537b48241e
hex2eda41a785

201230231429 has 16 divisors (see below), whose sum is σ = 215794076400. Its totient is φ = 186980121600.

The previous prime is 201230231417. The next prime is 201230231441. The reversal of 201230231429 is 924132032102.

It is a happy number.

201230231429 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 (201230231417) and next prime (201230231441).

It can be written as a sum of positive squares in 8 ways, for example, as 32724086404 + 168506145025 = 180898^2 + 410495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201230231429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201230231479) 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 15 ways as a sum of consecutive naturals, for example, 431327 + ... + 767139.

It is an arithmetic number, because the mean of its divisors is an integer number (13487129775).

Almost surely, 2201230231429 is an apocalyptic number.

It is an amenable number.

201230231429 is a deficient number, since it is larger than the sum of its proper divisors (14563844971).

201230231429 is a wasteful number, since it uses less digits than its factorization.

201230231429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336280.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 201230231429 in words is "two hundred one billion, two hundred thirty million, two hundred thirty-one thousand, four hundred twenty-nine".

Divisors: 1 17 101 349 1717 5933 35249 335813 599233 5708821 33917113 117198737 576590921 1992378529 11837072437 201230231429