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49385951959 = 773172137123
BaseRepresentation
bin101101111111101000…
…011101001011010111
311201110210101022001211
4231333220131023113
51302120300430314
634404304202251
73365554444141
oct557750351327
9151423338054
1049385951959
1119a4309a733
1296a3309387
134870795ba6
142566d6bc91
1514409ee9c4
hexb7fa1d2d7

49385951959 has 8 divisors (see below), whose sum is σ = 49479906672. Its totient is φ = 49292076480.

The previous prime is 49385951957. The next prime is 49385951963. The reversal of 49385951959 is 95915958394.

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 49385951959 - 21 = 49385951957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49385951894 and 49385951903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49385951957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311772 + ... + 1348894.

It is an arithmetic number, because the mean of its divisors is an integer number (6184988334).

Almost surely, 249385951959 is an apocalyptic number.

49385951959 is a deficient number, since it is larger than the sum of its proper divisors (93954713).

49385951959 is a wasteful number, since it uses less digits than its factorization.

49385951959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39617.

The product of its digits is 78732000, while the sum is 67.

The spelling of 49385951959 in words is "forty-nine billion, three hundred eighty-five million, nine hundred fifty-one thousand, nine hundred fifty-nine".

Divisors: 1 773 1721 37123 1330333 28696079 63888683 49385951959