Search a number
-
+
49351679947 is a prime number
BaseRepresentation
bin101101111101100101…
…101101111111001011
311201101101220002201001
4231331211231333023
51302033012224242
634401041435431
73364660233553
oct557545557713
9151341802631
1049351679947
1119a25811659
12969393bb77
1348666565ab
1425625aa163
15143c9ceeb7
hexb7d96dfcb

49351679947 has 2 divisors, whose sum is σ = 49351679948. Its totient is φ = 49351679946.

The previous prime is 49351679917. The next prime is 49351679957. The reversal of 49351679947 is 74997615394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49351679947 - 211 = 49351677899 is a prime.

It is a super-3 number, since 3×493516799473 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (49351679917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24675839973 + 24675839974.

It is an arithmetic number, because the mean of its divisors is an integer number (24675839974).

Almost surely, 249351679947 is an apocalyptic number.

49351679947 is a deficient number, since it is larger than the sum of its proper divisors (1).

49351679947 is an equidigital number, since it uses as much as digits as its factorization.

49351679947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51438240, while the sum is 64.

The spelling of 49351679947 in words is "forty-nine billion, three hundred fifty-one million, six hundred seventy-nine thousand, nine hundred forty-seven".