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1331070528 = 2636932659
BaseRepresentation
bin100111101010110…
…1000011001000000
310102202122101111110
41033111220121000
510211223224103
6340025243320
744661625044
oct11725503100
93382571443
101331070528
11623399a97
12311933540
131829c62c8
14c8acc024
157bccb403
hex4f568640

1331070528 has 28 divisors (see below), whose sum is σ = 3521791280. Its totient is φ = 443690112.

The previous prime is 1331070511. The next prime is 1331070557. The reversal of 1331070528 is 8250701331.

It is a junction number, because it is equal to n+sod(n) for n = 1331070495 and 1331070504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3466138 + ... + 3466521.

It is an arithmetic number, because the mean of its divisors is an integer number (125778260).

Almost surely, 21331070528 is an apocalyptic number.

It is an amenable number.

1331070528 is an abundant number, since it is smaller than the sum of its proper divisors (2190720752).

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

1331070528 is an equidigital number, since it uses as much as digits as its factorization.

1331070528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932674 (or 6932664 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1331070528 is about 36483.8392716556. The cubic root of 1331070528 is about 1100.0194288579.

Adding to 1331070528 its reverse (8250701331), we get a palindrome (9581771859).

It can be divided in two parts, 13310 and 70528, that added together give a palindrome (83838).

The spelling of 1331070528 in words is "one billion, three hundred thirty-one million, seventy thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 6932659 13865318 20797977 27730636 41595954 55461272 83191908 110922544 166383816 221845088 332767632 443690176 665535264 1331070528