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20110241444 = 22139227159337
BaseRepresentation
bin10010101110101010…
…011110111010100100
31220220111222010002012
4102232222132322210
5312141210211234
613123304133352
71311231142346
oct225652367244
956814863065
1020110241444
11858a786057
123a92a67258
131b86495b67
14d8abc1296
157ca7950ce
hex4aea9eea4

20110241444 has 24 divisors (see below), whose sum is σ = 35602482720. Its totient is φ = 9938742336.

The previous prime is 20110241423. The next prime is 20110241449. The reversal of 20110241444 is 44414201102.

It is not an unprimeable number, because it can be changed into a prime (20110241449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46544 + ... + 205880.

It is an arithmetic number, because the mean of its divisors is an integer number (1483436780).

Almost surely, 220110241444 is an apocalyptic number.

It is an amenable number.

20110241444 is a deficient number, since it is larger than the sum of its proper divisors (15492241276).

20110241444 is a wasteful number, since it uses less digits than its factorization.

20110241444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159707 (or 159705 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20110241444 its reverse (44414201102), we get a palindrome (64524442546).

The spelling of 20110241444 in words is "twenty billion, one hundred ten million, two hundred forty-one thousand, four hundred forty-four".

Divisors: 1 2 4 139 227 278 454 556 908 31553 63106 126212 159337 318674 637348 22147843 36169499 44295686 72338998 88591372 144677996 5027560361 10055120722 20110241444