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1313023330220 = 225719494812077
BaseRepresentation
bin10011000110110110010…
…010100000011110101100
311122112010212001011201212
4103012312102200132230
5133003032433031340
62443110010453552
7163601641105220
oct23066622403654
94575125034655
101313023330220
11466939491a18
12192580a342b8
1396a822772b4
144779d068780
152424c434a65
hex131b64a07ac

1313023330220 has 48 divisors (see below), whose sum is σ = 3152873505600. Its totient is φ = 449948354304.

The previous prime is 1313023330189. The next prime is 1313023330231. The reversal of 1313023330220 is 220333203131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2133179 + ... + 2678898.

It is an arithmetic number, because the mean of its divisors is an integer number (65684864700).

Almost surely, 21313023330220 is an apocalyptic number.

1313023330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313023330220 is an abundant number, since it is smaller than the sum of its proper divisors (1839850175380).

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

1313023330220 is a wasteful number, since it uses less digits than its factorization.

1313023330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814042 (or 4814040 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1313023330220 its reverse (220333203131), we get a palindrome (1533356533351).

The spelling of 1313023330220 in words is "one trillion, three hundred thirteen billion, twenty-three million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1949 3898 7796 9745 13643 19490 27286 38980 54572 68215 136430 272860 4812077 9624154 19248308 24060385 33684539 48120770 67369078 96241540 134738156 168422695 336845390 673690780 9378738073 18757476146 37514952292 46893690365 65651166511 93787380730 131302333022 187574761460 262604666044 328255832555 656511665110 1313023330220