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49138572681061 = 478333577305971
BaseRepresentation
bin10110010110000111101110…
…01010110101111101100101
320102222121020121200101220121
423023003313022311331211
522420041244101243221
6252301540524201541
713231100432134513
oct1313036712657545
9212877217611817
1049138572681061
1114725608269506
1256174746992b1
1321559943c4106
14c1c4690094b3
155a3318b7aa41
hex2cb0f72b5f65

49138572681061 has 8 divisors (see below), whose sum is σ = 49150470671744. Its totient is φ = 49126675379040.

The previous prime is 49138572681059. The next prime is 49138572681071. The reversal of 49138572681061 is 16018627583194.

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 49138572681061 - 21 = 49138572681059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49138572681071) 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, 160445806 + ... + 160751776.

It is an arithmetic number, because the mean of its divisors is an integer number (6143808833968).

It is a 1-persistent number, because it is pandigital, but 2⋅49138572681061 = 98277145362122 is not.

Almost surely, 249138572681061 is an apocalyptic number.

It is an amenable number.

49138572681061 is a deficient number, since it is larger than the sum of its proper divisors (11897990683).

49138572681061 is a wasteful number, since it uses less digits than its factorization.

49138572681061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344331.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 49138572681061 in words is "forty-nine trillion, one hundred thirty-eight billion, five hundred seventy-two million, six hundred eighty-one thousand, sixty-one".

Divisors: 1 4783 33577 305971 160598791 1463459293 10273588267 49138572681061