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1145010243 = 3131913711279
BaseRepresentation
bin100010000111111…
…0111100001000011
32221210112112202210
41010033313201003
54321110311433
6305341313203
740242266166
oct10417674103
92853475683
101145010243
11538368163
1227b565803
131532acb70
14ac0d7add
156a7c7463
hex443f7843

1145010243 has 32 divisors (see below), whose sum is σ = 1743436800. Its totient is φ = 662605056.

The previous prime is 1145010241. The next prime is 1145010253. The reversal of 1145010243 is 3420105411.

It is a Cunningham number, because it is equal to 338382-1.

It is not a de Polignac number, because 1145010243 - 21 = 1145010241 is a prime.

It is a super-2 number, since 2×11450102432 = 2622096913149838098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145010241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95878 + ... + 107156.

It is an arithmetic number, because the mean of its divisors is an integer number (54482400).

Almost surely, 21145010243 is an apocalyptic number.

1145010243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1145010243 is a deficient number, since it is larger than the sum of its proper divisors (598426557).

1145010243 is a wasteful number, since it uses less digits than its factorization.

1145010243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1145010243 is about 33837.9999852237. Note that the first 4 decimals coincide. The cubic root of 1145010243 is about 1046.1720762326.

Adding to 1145010243 its reverse (3420105411), we get a palindrome (4565115654).

The spelling of 1145010243 in words is "one billion, one hundred forty-five million, ten thousand, two hundred forty-three".

Divisors: 1 3 13 19 39 57 137 247 411 741 1781 2603 5343 7809 11279 33837 33839 101517 146627 214301 439881 642903 1545223 2785913 4635669 8357739 20087899 29359237 60263697 88077711 381670081 1145010243