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13133441032420 = 2252922643863849
BaseRepresentation
bin1011111100011101111000…
…0101100110000011100100
31201111112201002100022222111
42333013132011212003210
53210134241401014140
643533230341010404
72523600624561262
oct277073605460344
951445632308874
1013133441032420
114203952090475
1215814229b3a04
1374362a7214b7
1433593a4dd432
1517b96e65a7ea
hexbf1de1660e4

13133441032420 has 24 divisors (see below), whose sum is σ = 28531268451000. Its totient is φ = 5072225501952.

The previous prime is 13133441032367. The next prime is 13133441032421. The reversal of 13133441032420 is 2423014433131.

It can be written as a sum of positive squares in 4 ways, for example, as 1083281292864 + 12050159739556 = 1040808^2 + 3471334^2 .

It is not an unprimeable number, because it can be changed into a prime (13133441032421) 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, 11321931345 + ... + 11321932504.

It is an arithmetic number, because the mean of its divisors is an integer number (1188802852125).

Almost surely, 213133441032420 is an apocalyptic number.

13133441032420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133441032420 is an abundant number, since it is smaller than the sum of its proper divisors (15397827418580).

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

13133441032420 is a wasteful number, since it uses less digits than its factorization.

13133441032420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22643863887 (or 22643863885 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 13133441032420 its reverse (2423014433131), we get a palindrome (15556455465551).

The spelling of 13133441032420 in words is "thirteen trillion, one hundred thirty-three billion, four hundred forty-one million, thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 22643863849 45287727698 90575455396 113219319245 226438638490 452877276980 656672051621 1313344103242 2626688206484 3283360258105 6566720516210 13133441032420