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55230063212 = 22891033115017
BaseRepresentation
bin110011011011111101…
…111110001001101100
312021120002002220120202
4303123331332021230
51401102344010322
641212231533032
73663436535312
oct633375761154
9167502086522
1055230063212
1121471a26a45
12a85452a178
13529248059c
14295d19c0b2
151683ae3292
hexcdbf7e26c

55230063212 has 24 divisors (see below), whose sum is σ = 97754564880. Its totient is φ = 27300289280.

The previous prime is 55230063191. The next prime is 55230063221. The reversal of 55230063212 is 21236003255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3670328 + ... + 3685344.

It is an arithmetic number, because the mean of its divisors is an integer number (4073106870).

Almost surely, 255230063212 is an apocalyptic number.

It is an amenable number.

55230063212 is a deficient number, since it is larger than the sum of its proper divisors (42524501668).

55230063212 is a wasteful number, since it uses less digits than its factorization.

55230063212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25441 (or 25439 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 55230063212 its reverse (21236003255), we get a palindrome (76466066467).

The spelling of 55230063212 in words is "fifty-five billion, two hundred thirty million, sixty-three thousand, two hundred twelve".

Divisors: 1 2 4 89 178 356 10331 15017 20662 30034 41324 60068 919459 1336513 1838918 2673026 3677836 5346052 155140627 310281254 620562508 13807515803 27615031606 55230063212