Search a number
-
+
49029270761 = 294797194909
BaseRepresentation
bin101101101010010111…
…110100110011101001
311200112221020000110002
4231222113310303221
51300402443131021
634305043232345
73353663632232
oct555227646351
9150487200402
1049029270761
111987a821889
1296039786b5
134814910923
142531842089
15141e54650b
hexb6a5f4ce9

49029270761 has 16 divisors (see below), whose sum is σ = 50906880000. Its totient is φ = 47164466496.

The previous prime is 49029270713. The next prime is 49029270791. The reversal of 49029270761 is 16707292094.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49029270761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49029270791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9985175 + ... + 9990083.

It is an arithmetic number, because the mean of its divisors is an integer number (3181680000).

Almost surely, 249029270761 is an apocalyptic number.

It is an amenable number.

49029270761 is a deficient number, since it is larger than the sum of its proper divisors (1877609239).

49029270761 is a wasteful number, since it uses less digits than its factorization.

49029270761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6136.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 49029270761 in words is "forty-nine billion, twenty-nine million, two hundred seventy thousand, seven hundred sixty-one".

Divisors: 1 29 479 719 4909 13891 20851 142361 344401 2351411 3529571 9987629 68190919 102357559 1690664509 49029270761