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32021144012 = 221113303718433
BaseRepresentation
bin11101110100100110…
…111110000111001100
310001122121102122201202
4131310212332013030
51011034403102022
622413232125032
72212341142664
oct356446760714
9101577378652
1032021144012
1112642112490
126257996778
1330340334c0
14179aa491a4
15c762b6592
hex7749be1cc

32021144012 has 48 divisors (see below), whose sum is σ = 65858930592. Its totient is φ = 13430292480.

The previous prime is 32021143997. The next prime is 32021144017. The reversal of 32021144012 is 21044112023.

It is a super-2 number, since 2×320211440122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32021144017) 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, 1727948 + ... + 1746380.

It is an arithmetic number, because the mean of its divisors is an integer number (1372061054).

Almost surely, 232021144012 is an apocalyptic number.

It is an amenable number.

32021144012 is an abundant number, since it is smaller than the sum of its proper divisors (33837786580).

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

32021144012 is a wasteful number, since it uses less digits than its factorization.

32021144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21498 (or 21496 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 32021144012 its reverse (21044112023), we get a palindrome (53065256035).

The spelling of 32021144012 in words is "thirty-two billion, twenty-one million, one hundred forty-four thousand, twelve".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 3037 6074 12148 18433 33407 36866 39481 66814 73732 78962 133628 157924 202763 239629 405526 434291 479258 811052 868582 958516 1737164 2635919 5271838 10543676 55981021 111962042 223924084 615791231 727753273 1231582462 1455506546 2463164924 2911013092 8005286003 16010572006 32021144012