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11031212010 = 2357134040737
BaseRepresentation
bin10100100011000001…
…01110111111101010
31001110210011122001210
422101200232333222
5140042442241020
65022341053550
7540235516650
oct122140567752
931423148053
1011031212010
114750916945
12217a3b72b6
13106a5351b0
147690b6dd0
154486a73e0
hex29182efea

11031212010 has 64 divisors (see below), whose sum is σ = 32584511232. Its totient is φ = 2327463936.

The previous prime is 11031211981. The next prime is 11031212011. The reversal of 11031212010 is 1021213011.

It is a super-4 number, since 4×110312120104 (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (11031212011) 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, 2017639 + ... + 2023098.

It is an arithmetic number, because the mean of its divisors is an integer number (509132988).

Almost surely, 211031212010 is an apocalyptic number.

11031212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11031212010 is an abundant number, since it is smaller than the sum of its proper divisors (21553299222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11031212010 is a wasteful number, since it uses less digits than its factorization.

11031212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040767.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11031212010 its reverse (1021213011), we get a palindrome (12052425021).

The spelling of 11031212010 in words is "eleven billion, thirty-one million, two hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 4040737 8081474 12122211 20203685 24244422 28285159 40407370 52529581 56570318 60611055 84855477 105059162 121222110 141425795 157588743 169710954 262647905 282851590 315177486 367707067 424277385 525295810 735414134 787943715 848554770 1103121201 1575887430 1838535335 2206242402 3677070670 5515606005 11031212010