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55255466212 = 22131349930137
BaseRepresentation
bin110011011101011110…
…111000000011100100
312021121211220111221121
4303131132320003210
51401130344404322
641214540223324
73664165466452
oct633536700344
9167554814847
1055255466212
11214852a7661
12a860b3ab44
13529780604b
1429626d19d2
151685e5eec7
hexcdd7b80e4

55255466212 has 24 divisors (see below), whose sum is σ = 97466292000. Its totient is φ = 27408089280.

The previous prime is 55255466191. The next prime is 55255466243. The reversal of 55255466212 is 21266455255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818408 + ... + 1848544.

It is an arithmetic number, because the mean of its divisors is an integer number (4061095500).

Almost surely, 255255466212 is an apocalyptic number.

It is an amenable number.

55255466212 is a deficient number, since it is larger than the sum of its proper divisors (42210825788).

55255466212 is a wasteful number, since it uses less digits than its factorization.

55255466212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33771 (or 33769 counting only the distinct ones).

The product of its digits is 720000, while the sum is 43.

The spelling of 55255466212 in words is "fifty-five billion, two hundred fifty-five million, four hundred sixty-six thousand, two hundred twelve".

Divisors: 1 2 4 131 262 524 3499 6998 13996 30137 60274 120548 458369 916738 1833476 3947947 7895894 15791788 105449363 210898726 421797452 13813866553 27627733106 55255466212