Search a number
-
+
49999999937 = 251199203187
BaseRepresentation
bin101110100100001110…
…110111001111000001
311210001120211011112112
4232210032313033001
51304344444444222
634545241305105
73420021662366
oct564416671701
9153046734475
1049999999937
111a228772aa8
129834a95195
13493aa6c9a4
1425c473046d
151479894be2
hexba43b73c1

49999999937 has 4 divisors (see below), whose sum is σ = 50199203376. Its totient is φ = 49800796500.

The previous prime is 49999999867. The next prime is 49999999957. The reversal of 49999999937 is 73999999994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49999999937 - 230 = 48926258113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49999999957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99601343 + ... + 99601844.

It is an arithmetic number, because the mean of its divisors is an integer number (12549800844).

Almost surely, 249999999937 is an apocalyptic number.

It is an amenable number.

49999999937 is a deficient number, since it is larger than the sum of its proper divisors (199203439).

49999999937 is a wasteful number, since it uses less digits than its factorization.

49999999937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199203438.

The product of its digits is 3615924564, while the sum is 86.

The spelling of 49999999937 in words is "forty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred thirty-seven".

Divisors: 1 251 199203187 49999999937