Search a number
-
+
21442010034012 = 2234996959514561
BaseRepresentation
bin1001110000000010110110…
…11001000010111101011100
32210220211120112202010221020
410320001123121002331130
510302301214032042022
6113334153505404140
74342063666045131
oct470013331027534
983824515663836
1021442010034012
1169175617436a7
1224a3731939650
13bc6c8551b6a9
14541b27d82588
15272b511c335c
hex13805b642f5c

21442010034012 has 48 divisors (see below), whose sum is σ = 50138921280000. Its totient is φ = 7131974492160.

The previous prime is 21442010033999. The next prime is 21442010034031. The reversal of 21442010034012 is 21043001024412.

It is a super-2 number, since 2×214420100340122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41413212 + ... + 41927772.

It is an arithmetic number, because the mean of its divisors is an integer number (1044560860000).

Almost surely, 221442010034012 is an apocalyptic number.

It is an amenable number.

21442010034012 is an abundant number, since it is smaller than the sum of its proper divisors (28696911245988).

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

21442010034012 is a wasteful number, since it uses less digits than its factorization.

21442010034012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522026 (or 522024 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21442010034012 its reverse (21043001024412), we get a palindrome (42485011058424).

The spelling of 21442010034012 in words is "twenty-one trillion, four hundred forty-two billion, ten million, thirty-four thousand, twelve".

Divisors: 1 2 3 4 6 12 499 998 1497 1996 2994 5988 6959 13918 20877 27836 41754 83508 514561 1029122 1543683 2058244 3087366 3472541 6174732 6945082 10417623 13890164 20835246 41670492 256765939 513531878 770297817 1027063756 1540595634 3081191268 3580829999 7161659998 10742489997 14323319996 21484979994 42969959988 1786834169501 3573668339002 5360502508503 7147336678004 10721005017006 21442010034012