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21244141232 = 24101107122861
BaseRepresentation
bin10011110010001111…
…111101111010110000
32000211112121012011122
4103302033331322300
5322002000004412
613432011401412
71351310135546
oct236217757260
960745535148
1021244141232
119011844816
12414a753268
132007385892
141057625d96
158450c5572
hex4f23fdeb0

21244141232 has 40 divisors (see below), whose sum is σ = 41956881552. Its totient is φ = 10418528000.

The previous prime is 21244141211. The next prime is 21244141241. The reversal of 21244141232 is 23214144212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111482 + ... + 234342.

Almost surely, 221244141232 is an apocalyptic number.

It is an amenable number.

21244141232 is a deficient number, since it is larger than the sum of its proper divisors (20712740320).

21244141232 is a wasteful number, since it uses less digits than its factorization.

21244141232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123077 (or 123071 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

Adding to 21244141232 its reverse (23214144212), we get a palindrome (44458285444).

The spelling of 21244141232 in words is "twenty-one billion, two hundred forty-four million, one hundred forty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 101 107 202 214 404 428 808 856 1616 1712 10807 21614 43228 86456 122861 172912 245722 491444 982888 1965776 12408961 13146127 24817922 26292254 49635844 52584508 99271688 105169016 198543376 210338032 1327758827 2655517654 5311035308 10622070616 21244141232