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12214324144 = 2411613113213
BaseRepresentation
bin10110110000000011…
…11100101110110000
31011112020101221210201
423120001330232300
5200003331333034
65340003204544
7611453020321
oct133001745660
934466357721
1012214324144
1151a8738570
12244a676754
1311c8695949
1483c28c448
154b74a9014
hex2d807cbb0

12214324144 has 40 divisors (see below), whose sum is σ = 25858983312. Its totient is φ = 5542859520.

The previous prime is 12214324127. The next prime is 12214324159. The reversal of 12214324144 is 44142341221.

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, 51282 + ... + 164494.

Almost surely, 212214324144 is an apocalyptic number.

It is an amenable number.

12214324144 is an abundant number, since it is smaller than the sum of its proper divisors (13644659168).

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

12214324144 is a wasteful number, since it uses less digits than its factorization.

12214324144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113845 (or 113839 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 12214324144 its reverse (44142341221), we get a palindrome (56356665365).

The spelling of 12214324144 in words is "twelve billion, two hundred fourteen million, three hundred twenty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 613 1226 2452 4904 6743 9808 13486 26972 53944 107888 113213 226426 452852 905704 1245343 1811408 2490686 4981372 9962744 19925488 69399569 138799138 277598276 555196552 763395259 1110393104 1526790518 3053581036 6107162072 12214324144