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49494780472 = 2329213339571
BaseRepresentation
bin101110000110000111…
…100110101000111000
311201202101011100201111
4232012013212220320
51302331130433342
634423152530104
73401345456344
oct560607465070
9151671140644
1049494780472
1119a99571155
129713850934
13488a1aac67
1425775ba624
15144a34a217
hexb861e6a38

49494780472 has 16 divisors (see below), whose sum is σ = 96002807400. Its totient is φ = 23894031840.

The previous prime is 49494780421. The next prime is 49494780473. The reversal of 49494780472 is 27408749494.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49494780473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106669554 + ... + 106670017.

Almost surely, 249494780472 is an apocalyptic number.

It is an amenable number.

49494780472 is a deficient number, since it is larger than the sum of its proper divisors (46508026928).

49494780472 is a wasteful number, since it uses less digits than its factorization.

49494780472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213339606 (or 213339602 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 49494780472 in words is "forty-nine billion, four hundred ninety-four million, seven hundred eighty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 29 58 116 232 213339571 426679142 853358284 1706716568 6186847559 12373695118 24747390236 49494780472