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49497717361 = 17191135232593
BaseRepresentation
bin101110000110010010…
…110011101001110001
311201202120200120101011
4232012102303221301
51302332403423421
634423335510521
73401412440611
oct560622635161
9151676616334
1049497717361
1119aa0197734
129714828441
13488a998971
142577b42a41
15144a72a4e1
hexb864b3a71

49497717361 has 32 divisors (see below), whose sum is σ = 55783866240. Its totient is φ = 43643142144.

The previous prime is 49497717343. The next prime is 49497717383. The reversal of 49497717361 is 16371779494.

49497717361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a 8-Lehmer number, since φ(49497717361) divides (49497717361-1)8.

It is a cyclic number.

It is not a de Polignac number, because 49497717361 - 219 = 49497193073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49497717296 and 49497717305.

It is not an unprimeable number, because it can be changed into a prime (49497717301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19087681 + ... + 19090273.

It is an arithmetic number, because the mean of its divisors is an integer number (1743245820).

Almost surely, 249497717361 is an apocalyptic number.

It is an amenable number.

49497717361 is a deficient number, since it is larger than the sum of its proper divisors (6286148879).

49497717361 is a wasteful number, since it uses less digits than its factorization.

With its successor (49497717362) it forms an eRAP, since the sums of their prime factors are consecutive (3265 and 3266).

49497717361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265.

The product of its digits is 8001504, while the sum is 58.

The spelling of 49497717361 in words is "forty-nine billion, four hundred ninety-seven million, seven hundred seventeen thousand, three hundred sixty-one".