Search a number
-
+
49451065949 = 251627731387
BaseRepresentation
bin101110000011100000…
…110110001001011101
311201122022220102200002
4232003200312021131
51302233433102244
634414551544045
73400305060635
oct560340661135
9151568812602
1049451065949
1119a7692384a
12970108b025
13488111378c
14257187b6c5
1514465b2a4e
hexb8383625d

49451065949 has 8 divisors (see below), whose sum is σ = 49657573728. Its totient is φ = 49244634000.

The previous prime is 49451065931. The next prime is 49451065997. The reversal of 49451065949 is 94956015494.

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 49451065949 - 224 = 49434288733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49451065894 and 49451065903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49451065049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1559834 + ... + 1591220.

It is an arithmetic number, because the mean of its divisors is an integer number (6207196716).

Almost surely, 249451065949 is an apocalyptic number.

It is an amenable number.

49451065949 is a deficient number, since it is larger than the sum of its proper divisors (206507779).

49451065949 is a wasteful number, since it uses less digits than its factorization.

49451065949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37915.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 49451065949 in words is "forty-nine billion, four hundred fifty-one million, sixty-five thousand, nine hundred forty-nine".

Divisors: 1 251 6277 31387 1575527 7878137 197016199 49451065949