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201230223311 = 1347329345701
BaseRepresentation
bin1011101101101001000…
…0011000011111001111
3201020102002011111121202
42323122100120133033
511244104414121221
6232235514020115
720352446450615
oct2733220303717
9636362144552
10201230223311
1178383240187
1232bbb71763b
1315c8c166170
149a4d63b6b5
15537b47ed0b
hex2eda4187cf

201230223311 has 8 divisors (see below), whose sum is σ = 221320311744. Its totient is φ = 181798826400.

The previous prime is 201230223283. The next prime is 201230223329. The reversal of 201230223311 is 113322032102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201230223311 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 (201230223331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164672240 + ... + 164673461.

It is an arithmetic number, because the mean of its divisors is an integer number (27665038968).

Almost surely, 2201230223311 is an apocalyptic number.

201230223311 is a deficient number, since it is larger than the sum of its proper divisors (20090088433).

201230223311 is a wasteful number, since it uses less digits than its factorization.

201230223311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329345761.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201230223311 its reverse (113322032102), we get a palindrome (314552255413).

The spelling of 201230223311 in words is "two hundred one billion, two hundred thirty million, two hundred twenty-three thousand, three hundred eleven".

Divisors: 1 13 47 611 329345701 4281494113 15479247947 201230223311