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230681212053 = 3106172472891
BaseRepresentation
bin1101011011010110101…
…0111111010010010101
3211001102120101202010120
43112311222333102111
512234413342241203
6253550134542153
722444331643555
oct3266552772225
9731376352116
10230681212053
11899165919a6
123885a807959
13189a3875b16
14b244bb3165
156001cadb53
hex35b5abf495

230681212053 has 8 divisors (see below), whose sum is σ = 307864845216. Its totient is φ = 153642526800.

The previous prime is 230681212033. The next prime is 230681212081. The reversal of 230681212053 is 350212186032.

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

It is not a de Polignac number, because 230681212053 - 210 = 230681211029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230681212033) 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 7 ways as a sum of consecutive naturals, for example, 36233263 + ... + 36239628.

It is an arithmetic number, because the mean of its divisors is an integer number (38483105652).

Almost surely, 2230681212053 is an apocalyptic number.

It is an amenable number.

230681212053 is a deficient number, since it is larger than the sum of its proper divisors (77183633163).

230681212053 is a wasteful number, since it uses less digits than its factorization.

230681212053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72473955.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 230681212053 its reverse (350212186032), we get a palindrome (580893398085).

The spelling of 230681212053 in words is "two hundred thirty billion, six hundred eighty-one million, two hundred twelve thousand, fifty-three".

Divisors: 1 3 1061 3183 72472891 217418673 76893737351 230681212053