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49980666327 = 323724357483
BaseRepresentation
bin101110100011000101…
…000111000111010111
311210000020102220210220
4232203011013013113
51304330022310302
634543311045423
73416365440234
oct564305070727
9153006386726
1049980666327
111a218868409
12982a510873
134936a60997
1425c1d3a78b
151477d264bc
hexba31471d7

49980666327 has 8 divisors (see below), whose sum is σ = 69538318464. Its totient is φ = 31871729208.

The previous prime is 49980666287. The next prime is 49980666341. The reversal of 49980666327 is 72366608994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49980666327 - 219 = 49980142039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49980666227) by changing a digit.

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, 362178673 + ... + 362178810.

It is an arithmetic number, because the mean of its divisors is an integer number (8692289808).

Almost surely, 249980666327 is an apocalyptic number.

49980666327 is a deficient number, since it is larger than the sum of its proper divisors (19557652137).

49980666327 is a wasteful number, since it uses less digits than its factorization.

49980666327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724357509.

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 49980666327 in words is "forty-nine billion, nine hundred eighty million, six hundred sixty-six thousand, three hundred twenty-seven".

Divisors: 1 3 23 69 724357483 2173072449 16660222109 49980666327