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1012445133 = 3759817147
BaseRepresentation
bin111100010110001…
…010111111001101
32121120002112121220
4330112022333031
54033141221013
6244244113553
734042433040
oct7426127715
92546075556
101012445133
1147a554017
122430958b9
131319a697b
149866ac57
155dd3db23
hex3c58afcd

1012445133 has 16 divisors (see below), whose sum is σ = 1568924160. Its totient is φ = 568733616.

The previous prime is 1012445131. The next prime is 1012445173. The reversal of 1012445133 is 3315442101.

It is a happy number.

It is not a de Polignac number, because 1012445133 - 21 = 1012445131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012445131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407335 + ... + 409812.

It is an arithmetic number, because the mean of its divisors is an integer number (98057760).

Almost surely, 21012445133 is an apocalyptic number.

It is an amenable number.

1012445133 is a deficient number, since it is larger than the sum of its proper divisors (556479027).

1012445133 is an equidigital number, since it uses as much as digits as its factorization.

1012445133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817216.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1012445133 is about 31818.9429899863. The cubic root of 1012445133 is about 1004.1312866338.

Adding to 1012445133 its reverse (3315442101), we get a palindrome (4327887234).

The spelling of 1012445133 in words is "one billion, twelve million, four hundred forty-five thousand, one hundred thirty-three".

Divisors: 1 3 7 21 59 177 413 1239 817147 2451441 5720029 17160087 48211673 144635019 337481711 1012445133