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230031212053 = 43101281188491
BaseRepresentation
bin1101011000111011101…
…1011011111000010101
3210222202021022022202111
43112032323123320111
512232100442241203
6253401435111021
722422250020046
oct3261673337025
9728667268674
10230031212053
1189612693315
12386b8ba2471
13188cbcc1b36
14b1c27328cd
155eb4bb626d
hex358eedbe15

230031212053 has 16 divisors (see below), whose sum is σ = 238558491072. Its totient is φ = 221664240000.

The previous prime is 230031212051. The next prime is 230031212071. The reversal of 230031212053 is 350212130032.

It is a cyclic number.

It is not a de Polignac number, because 230031212053 - 21 = 230031212051 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 (230031212051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126138 + ... + 1314628.

It is an arithmetic number, because the mean of its divisors is an integer number (14909905692).

Almost surely, 2230031212053 is an apocalyptic number.

It is an amenable number.

230031212053 is a deficient number, since it is larger than the sum of its proper divisors (8527279019).

230031212053 is a wasteful number, since it uses less digits than its factorization.

230031212053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188916.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 230031212053 its reverse (350212130032), we get a palindrome (580243342085).

The spelling of 230031212053 in words is "two hundred thirty billion, thirty-one million, two hundred twelve thousand, fifty-three".

Divisors: 1 43 101 281 4343 12083 28381 188491 1220383 8105113 19037591 52965971 818616413 2277536753 5349563071 230031212053