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1445495011 = 4730755213
BaseRepresentation
bin101011000101000…
…1000000011100011
310201201221202101021
41112022020003203
510430021320021
6355233550311
750551335112
oct12612100343
93651852337
101445495011
11681a42884
12344115397
131a061a4bc
14d9d95c79
1586d7ec41
hex562880e3

1445495011 has 4 divisors (see below), whose sum is σ = 1476250272. Its totient is φ = 1414739752.

The previous prime is 1445494987. The next prime is 1445495027. The reversal of 1445495011 is 1105945441.

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

It is a cyclic number.

It is not a de Polignac number, because 1445495011 - 221 = 1443397859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445495081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15377560 + ... + 15377653.

It is an arithmetic number, because the mean of its divisors is an integer number (369062568).

Almost surely, 21445495011 is an apocalyptic number.

1445495011 is a deficient number, since it is larger than the sum of its proper divisors (30755261).

1445495011 is an equidigital number, since it uses as much as digits as its factorization.

1445495011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30755260.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1445495011 is about 38019.6661084760. Note that the first 3 decimals coincide. The cubic root of 1445495011 is about 1130.6778012565.

It can be divided in two parts, 14 and 45495011, that added together give a square (45495025 = 67452).

The spelling of 1445495011 in words is "one billion, four hundred forty-five million, four hundred ninety-five thousand, eleven".

Divisors: 1 47 30755213 1445495011