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1013241243 = 3779760539
BaseRepresentation
bin111100011001001…
…101010110011011
32121121120222200110
4330121031112123
54033342204433
6244313135403
734052260050
oct7431152633
92547528613
101013241243
1147aa48163
122433ba563
13131bc5141
14987d7027
155de49963
hex3c64d59b

1013241243 has 16 divisors (see below), whose sum is σ = 1545949440. Its totient is φ = 578258976.

The previous prime is 1013241233. The next prime is 1013241277. The reversal of 1013241243 is 3421423101.

It is not a de Polignac number, because 1013241243 - 214 = 1013224859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1013241223) 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 15 ways as a sum of consecutive naturals, for example, 13533 + ... + 47006.

It is an arithmetic number, because the mean of its divisors is an integer number (96621840).

Almost surely, 21013241243 is an apocalyptic number.

1013241243 is a deficient number, since it is larger than the sum of its proper divisors (532708197).

1013241243 is an equidigital number, since it uses as much as digits as its factorization.

1013241243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61346.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1013241243 is about 31831.4505324530. The cubic root of 1013241243 is about 1004.3944085536.

Adding to 1013241243 its reverse (3421423101), we get a palindrome (4434664344).

The spelling of 1013241243 in words is "one billion, thirteen million, two hundred forty-one thousand, two hundred forty-three".

Divisors: 1 3 7 21 797 2391 5579 16737 60539 181617 423773 1271319 48249583 144748749 337747081 1013241243