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55150210505215 = 574336644658143
BaseRepresentation
bin11001000101000101010001…
…01101001101100111111111
321020021022022222211200022001
430202202220231031213333
524212040112342131330
6313143353522203131
714421320425414330
oct1442425055154777
9236238288750261
1055150210505215
1116633089081451
126228591ab34a7
1324a084785b497
14d893da69a287
156598b46929ca
hex3228a8b4d9ff

55150210505215 has 16 divisors (see below), whose sum is σ = 77393518000128. Its totient is φ = 36937815407136.

The previous prime is 55150210505197. The next prime is 55150210505347. The reversal of 55150210505215 is 51250501205155.

It is not a de Polignac number, because 55150210505215 - 25 = 55150210505183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18322327567 + ... + 18322330576.

It is an arithmetic number, because the mean of its divisors is an integer number (4837094875008).

Almost surely, 255150210505215 is an apocalyptic number.

55150210505215 is a deficient number, since it is larger than the sum of its proper divisors (22243307494913).

55150210505215 is a wasteful number, since it uses less digits than its factorization.

55150210505215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36644658198.

The product of its (nonzero) digits is 62500, while the sum is 37.

The spelling of 55150210505215 in words is "fifty-five trillion, one hundred fifty billion, two hundred ten million, five hundred five thousand, two hundred fifteen".

Divisors: 1 5 7 35 43 215 301 1505 36644658143 183223290715 256512607001 1282563035005 1575720300149 7878601500745 11030042101043 55150210505215