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49579897560 = 23352329797841
BaseRepresentation
bin101110001011001100…
…010011001011011000
311201222022022202102020
4232023030103023120
51303014423210220
634435433134440
73403431114204
oct561314231330
9151868282366
1049579897560
111a032617956
12973825a420
1348a1a104bb
142584a15b04
151452a60040
hexb8b3132d8

49579897560 has 256 divisors, whose sum is σ = 162611712000. Its totient is φ = 12054282240.

The previous prime is 49579897559. The next prime is 49579897561. The reversal of 49579897560 is 6579897594.

It is an interprime number because it is at equal distance from previous prime (49579897559) and next prime (49579897561).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49579897561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6319240 + ... + 6327080.

It is an arithmetic number, because the mean of its divisors is an integer number (635202000).

Almost surely, 249579897560 is an apocalyptic number.

49579897560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49579897560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81305856000).

49579897560 is an abundant number, since it is smaller than the sum of its proper divisors (113031814440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49579897560 is a wasteful number, since it uses less digits than its factorization.

49579897560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986 (or 7982 counting only the distinct ones).

The product of its (nonzero) digits is 171460800, while the sum is 69.

The spelling of 49579897560 in words is "forty-nine billion, five hundred seventy-nine million, eight hundred ninety-seven thousand, five hundred sixty".