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12210219950 = 252244204399
BaseRepresentation
bin10110101111100100…
…10010101110101110
31011111221200102220112
423113302102232232
5200001304014300
65335335220022
7611403104615
oct132762225656
934457612815
1012210219950
1151a6394a75
122449217612
1311c7889826
1483b90087c
154b6e47e35
hex2d7c92bae

12210219950 has 12 divisors (see below), whose sum is σ = 22711009200. Its totient is φ = 4884087960.

The previous prime is 12210219949. The next prime is 12210219997. The reversal of 12210219950 is 5991201221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122102150 + ... + 122102249.

It is an arithmetic number, because the mean of its divisors is an integer number (1892584100).

Almost surely, 212210219950 is an apocalyptic number.

12210219950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210219950 is a deficient number, since it is larger than the sum of its proper divisors (10500789250).

12210219950 is a wasteful number, since it uses less digits than its factorization.

12210219950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244204411 (or 244204406 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The spelling of 12210219950 in words is "twelve billion, two hundred ten million, two hundred nineteen thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 244204399 488408798 1221021995 2442043990 6105109975 12210219950