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1332425881 = 1778377993
BaseRepresentation
bin100111101101011…
…0011010010011001
310102212012020200201
41033122303102121
510212100112011
6340114302201
745006301363
oct11732632231
93385166621
101332425881
11624135316
12312287961
1318307c1a7
14c8d61d33
157be97cc1
hex4f6b3499

1332425881 has 4 divisors (see below), whose sum is σ = 1410803892. Its totient is φ = 1254047872.

The previous prime is 1332425837. The next prime is 1332425933. The reversal of 1332425881 is 1885242331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 369254656 + 963171225 = 19216^2 + 31035^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332425881 - 213 = 1332417689 is a prime.

It is a super-2 number, since 2×13324258812 = 3550717456717252322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1332425881.

It is not an unprimeable number, because it can be changed into a prime (1332426881) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39188980 + ... + 39189013.

It is an arithmetic number, because the mean of its divisors is an integer number (352700973).

Almost surely, 21332425881 is an apocalyptic number.

It is an amenable number.

1332425881 is a deficient number, since it is larger than the sum of its proper divisors (78378011).

1332425881 is an equidigital number, since it uses as much as digits as its factorization.

1332425881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78378010.

The product of its digits is 46080, while the sum is 37.

The square root of 1332425881 is about 36502.4092492537. The cubic root of 1332425881 is about 1100.3926644980.

The spelling of 1332425881 in words is "one billion, three hundred thirty-two million, four hundred twenty-five thousand, eight hundred eighty-one".

Divisors: 1 17 78377993 1332425881