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1445113803 = 3768814943
BaseRepresentation
bin101011000100010…
…1010111111001011
310201201020101110110
41112020222333023
510424422120203
6355221445403
750545156530
oct12610527713
93651211413
101445113803
11681802431
12343b70863
131a0515b33
14d9cd6d87
1586d06d03
hex5622afcb

1445113803 has 8 divisors (see below), whose sum is σ = 2202078208. Its totient is φ = 825779304.

The previous prime is 1445113783. The next prime is 1445113853. The reversal of 1445113803 is 3083115441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1445113803 - 213 = 1445105611 is a prime.

It is a super-2 number, since 2×14451138032 = 4176707807242245618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445113853) 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 7 ways as a sum of consecutive naturals, for example, 34407451 + ... + 34407492.

It is an arithmetic number, because the mean of its divisors is an integer number (275259776).

Almost surely, 21445113803 is an apocalyptic number.

1445113803 is a deficient number, since it is larger than the sum of its proper divisors (756964405).

1445113803 is an equidigital number, since it uses as much as digits as its factorization.

1445113803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68814953.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1445113803 is about 38014.6524776960. The cubic root of 1445113803 is about 1130.5783978652.

The spelling of 1445113803 in words is "one billion, four hundred forty-five million, one hundred thirteen thousand, eight hundred three".

Divisors: 1 3 7 21 68814943 206444829 481704601 1445113803