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49449280147 = 376691199741
BaseRepresentation
bin101110000011011010…
…000010001010010011
311201122012112201000021
4232003122002022103
51302233003431042
634414445404311
73400253642341
oct560332021223
9151565481007
1049449280147
1119a75914083
129700569697
1348809399a7
142571534991
15144635d867
hexb83682293

49449280147 has 8 divisors (see below), whose sum is σ = 50793591632. Its totient is φ = 48105381600.

The previous prime is 49449280117. The next prime is 49449280159. The reversal of 49449280147 is 74108294494.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49449280147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49449280094 and 49449280103.

It is not an unprimeable number, because it can be changed into a prime (49449280117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147697 + ... + 347437.

It is an arithmetic number, because the mean of its divisors is an integer number (6349198954).

Almost surely, 249449280147 is an apocalyptic number.

49449280147 is the 128387-th hex number.

49449280147 is a deficient number, since it is larger than the sum of its proper divisors (1344311485).

49449280147 is a wasteful number, since it uses less digits than its factorization.

49449280147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206469.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 49449280147 in words is "forty-nine billion, four hundred forty-nine million, two hundred eighty thousand, one hundred forty-seven".

Divisors: 1 37 6691 199741 247567 7390417 1336467031 49449280147