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2112220424 = 231914993263
BaseRepresentation
bin111110111100101…
…1110110100001000
312110012111220201002
41331321132310020
513311212023144
6545332114132
7103225402016
oct17571366410
95405456632
102112220424
11994325516
124ab465948
132787a9292
1416074b8b6
15c567d14e
hex7de5ed08

2112220424 has 32 divisors (see below), whose sum is σ = 4196880000. Its totient is φ = 993799872.

The previous prime is 2112220399. The next prime is 2112220441. The reversal of 2112220424 is 4240222112.

It is a super-2 number, since 2×21122204242 = 8922950239125479552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112220396 and 2112220405.

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, 23984 + ... + 69279.

It is an arithmetic number, because the mean of its divisors is an integer number (131152500).

Almost surely, 22112220424 is an apocalyptic number.

It is an amenable number.

2112220424 is a deficient number, since it is larger than the sum of its proper divisors (2084659576).

2112220424 is a wasteful number, since it uses less digits than its factorization.

2112220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93437 (or 93433 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2112220424 is about 45958.8992905618. The cubic root of 2112220424 is about 1283.0583653918.

Adding to 2112220424 its reverse (4240222112), we get a palindrome (6352442536).

The spelling of 2112220424 in words is "two billion, one hundred twelve million, two hundred twenty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 19 38 76 149 152 298 596 1192 2831 5662 11324 22648 93263 186526 373052 746104 1771997 3543994 7087988 13896187 14175976 27792374 55584748 111169496 264027553 528055106 1056110212 2112220424