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1253378912 = 2539168091
BaseRepresentation
bin100101010110101…
…0000101101100000
310020100110020122012
41022231100231200
510031331111122
6324212132052
743026354632
oct11255205540
93210406565
101253378912
11593555145
122ab907028
1316c893836
14bc666a52
15750817e2
hex4ab50b60

1253378912 has 12 divisors (see below), whose sum is σ = 2467589796. Its totient is φ = 626689440.

The previous prime is 1253378899. The next prime is 1253378953. The reversal of 1253378912 is 2198733521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253378912.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 19584014 + ... + 19584077.

It is an arithmetic number, because the mean of its divisors is an integer number (205632483).

Almost surely, 21253378912 is an apocalyptic number.

It is an amenable number.

1253378912 is a deficient number, since it is larger than the sum of its proper divisors (1214210884).

1253378912 is an equidigital number, since it uses as much as digits as its factorization.

1253378912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39168101 (or 39168093 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 1253378912 is about 35403.0918423801. The cubic root of 1253378912 is about 1078.1870911206.

The spelling of 1253378912 in words is "one billion, two hundred fifty-three million, three hundred seventy-eight thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 39168091 78336182 156672364 313344728 626689456 1253378912