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323111113220 = 22574969464467
BaseRepresentation
bin1001011001110101110…
…11000101001000000100
31010220000011120020000102
410230322323011020010
520243212421110340
6404234000303232
732225665101230
oct4547273051004
91126004506012
10323111113220
11115037888775
1252755311b18
1324613c22a2c
14118d26b55c0
15861161b215
hex4b3aec5204

323111113220 has 48 divisors (see below), whose sum is σ = 775624402560. Its totient is φ = 110758420224.

The previous prime is 323111113217. The next prime is 323111113271. The reversal of 323111113220 is 22311111323.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 323111113192 and 323111113201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463427 + ... + 927893.

It is an arithmetic number, because the mean of its divisors is an integer number (16158841720).

Almost surely, 2323111113220 is an apocalyptic number.

It is an amenable number.

323111113220 is an abundant number, since it is smaller than the sum of its proper divisors (452513289340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323111113220 is a wasteful number, since it uses less digits than its factorization.

323111113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469452 (or 469450 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 323111113220 its reverse (22311111323), we get a palindrome (345422224543).

The spelling of 323111113220 in words is "three hundred twenty-three billion, one hundred eleven million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 4969 9938 19876 24845 34783 49690 69566 99380 139132 173915 347830 464467 695660 928934 1857868 2322335 3251269 4644670 6502538 9289340 13005076 16256345 32512690 65025380 2307936523 4615873046 9231746092 11539682615 16155555661 23079365230 32311111322 46158730460 64622222644 80777778305 161555556610 323111113220