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230200223421 = 3717644818553
BaseRepresentation
bin1101011001100100000…
…0001010011010111101
3211000012001022222202210
43112121000022122331
512232422224122141
6253430313411033
722426401420420
oct3263100123275
9730161288683
10230200223421
118969a030033
1238745709a79
131892801916c
14b1dad699b7
155ec494d916
hex359900a6bd

230200223421 has 16 divisors (see below), whose sum is σ = 371415487104. Its totient is φ = 123805161984.

The previous prime is 230200223413. The next prime is 230200223453. The reversal of 230200223421 is 124322002032.

It is not a de Polignac number, because 230200223421 - 23 = 230200223413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230200223321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322408920 + ... + 322409633.

It is an arithmetic number, because the mean of its divisors is an integer number (23213467944).

Almost surely, 2230200223421 is an apocalyptic number.

230200223421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230200223421 is a deficient number, since it is larger than the sum of its proper divisors (141215263683).

230200223421 is a wasteful number, since it uses less digits than its factorization.

230200223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644818580.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 230200223421 its reverse (124322002032), we get a palindrome (354522225453).

The spelling of 230200223421 in words is "two hundred thirty billion, two hundred million, two hundred twenty-three thousand, four hundred twenty-one".

Divisors: 1 3 7 17 21 51 119 357 644818553 1934455659 4513729871 10961915401 13541189613 32885746203 76733407807 230200223421