Search a number
-
+
49729412161 = 1113347758127
BaseRepresentation
bin101110010100000110…
…101001110001000001
311202100201122212220001
4232110012221301001
51303321212142121
634502333520001
73410225012632
oct562406516101
9152321585801
1049729412161
111a0a9a58440
12977a343001
1348c699c490
14259a815889
151460c45991
hexb941a9c41

49729412161 has 8 divisors (see below), whose sum is σ = 58423365504. Its totient is φ = 41730975120.

The previous prime is 49729412149. The next prime is 49729412167. The reversal of 49729412161 is 16121492794.

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

It is a cyclic number.

It is not a de Polignac number, because 49729412161 - 227 = 49595194433 is a prime.

It is a super-2 number, since 2×497294121612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49729412167) 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, 173878921 + ... + 173879206.

It is an arithmetic number, because the mean of its divisors is an integer number (7302920688).

Almost surely, 249729412161 is an apocalyptic number.

It is an amenable number.

49729412161 is a deficient number, since it is larger than the sum of its proper divisors (8693953343).

49729412161 is a wasteful number, since it uses less digits than its factorization.

49729412161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347758151.

The product of its digits is 217728, while the sum is 46.

The spelling of 49729412161 in words is "forty-nine billion, seven hundred twenty-nine million, four hundred twelve thousand, one hundred sixty-one".

Divisors: 1 11 13 143 347758127 3825339397 4520855651 49729412161