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49078402017 = 395479171341
BaseRepresentation
bin101101101101010011…
…001111101111100001
311200200100200010212020
4231231103033233201
51301003032331032
634314000252053
73355131351111
oct555523175741
9150610603766
1049078402017
11198a5529927
129618311029
134821b53788
142538191041
1514239edb2c
hexb6d4cfbe1

49078402017 has 8 divisors (see below), whose sum is σ = 65438936640. Its totient is φ = 32718401040.

The previous prime is 49078401973. The next prime is 49078402081. The reversal of 49078402017 is 71020487094.

It is a happy number.

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

It is not a de Polignac number, because 49078402017 - 28 = 49078401761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49078402017.

It is not an unprimeable number, because it can be changed into a prime (49078401017) 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, 200767 + ... + 372107.

It is an arithmetic number, because the mean of its divisors is an integer number (8179867080).

Almost surely, 249078402017 is an apocalyptic number.

It is an amenable number.

49078402017 is a deficient number, since it is larger than the sum of its proper divisors (16360534623).

49078402017 is a wasteful number, since it uses less digits than its factorization.

49078402017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266823.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 49078402017 in words is "forty-nine billion, seventy-eight million, four hundred two thousand, seventeen".

Divisors: 1 3 95479 171341 286437 514023 16359467339 49078402017