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22110144144 = 2431123806843
BaseRepresentation
bin10100100101110111…
…100000011010010000
32010001220010200211120
4110211313200122100
5330240144103034
614053545042240
71411624060434
oct244567403220
963056120746
1022110144144
119416666600
124350786380
132114907b3a
1410da6529c4
15896138c49
hex525de0690

22110144144 has 60 divisors (see below), whose sum is σ = 62782471248. Its totient is φ = 6700041920.

The previous prime is 22110144139. The next prime is 22110144193. The reversal of 22110144144 is 44144101122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1897614 + ... + 1909229.

Almost surely, 222110144144 is an apocalyptic number.

22110144144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22110144144 is an abundant number, since it is smaller than the sum of its proper divisors (40672327104).

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

22110144144 is a wasteful number, since it uses less digits than its factorization.

22110144144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806876 (or 3806859 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 22110144144 its reverse (44144101122), we get a palindrome (66254245266).

The spelling of 22110144144 in words is "twenty-two billion, one hundred ten million, one hundred forty-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 121 132 176 242 264 363 484 528 726 968 1452 1936 2904 5808 3806843 7613686 11420529 15227372 22841058 30454744 41875273 45682116 60909488 83750546 91364232 125625819 167501092 182728464 251251638 335002184 460628003 502503276 670004368 921256006 1005006552 1381884009 1842512012 2010013104 2763768018 3685024024 5527536036 7370048048 11055072072 22110144144