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49195243491 = 383197571259
BaseRepresentation
bin101101110100010000…
…111101011111100011
311200222111112022020020
4231310100331133203
51301222440242431
634333332444523
73361050445602
oct556420753743
9150874468206
1049195243491
1119955483629
12964b479743
134840112b44
1425498c7a39
15142ddcd696
hexb7443d7e3

49195243491 has 8 divisors (see below), whose sum is σ = 66383943360. Its totient is φ = 32401686312.

The previous prime is 49195243477. The next prime is 49195243499. The reversal of 49195243491 is 19434259194.

It is a happy number.

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

It is not a de Polignac number, because 49195243491 - 25 = 49195243459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49195243499) 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, 98785381 + ... + 98785878.

It is an arithmetic number, because the mean of its divisors is an integer number (8297992920).

Almost surely, 249195243491 is an apocalyptic number.

49195243491 is a deficient number, since it is larger than the sum of its proper divisors (17188699869).

49195243491 is a wasteful number, since it uses less digits than its factorization.

49195243491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197571345.

The product of its digits is 1399680, while the sum is 51.

The spelling of 49195243491 in words is "forty-nine billion, one hundred ninety-five million, two hundred forty-three thousand, four hundred ninety-one".

Divisors: 1 3 83 249 197571259 592713777 16398414497 49195243491