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49603649568 = 25311233165881
BaseRepresentation
bin101110001100100110…
…111010000000100000
311202000222000111001020
4232030212322000200
51303042013241233
634442042205440
73404140031064
oct561446720040
9152028014036
1049603649568
111a044a70110
1297441b3880
1348a6908645
142587c39aa4
151454ba29b3
hexb8c9ba020

49603649568 has 192 divisors, whose sum is σ = 153006465024. Its totient is φ = 13913856000.

The previous prime is 49603649561. The next prime is 49603649609. The reversal of 49603649568 is 86594630694.

It is not an unprimeable number, because it can be changed into a prime (49603649561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719988 + ... + 785868.

It is an arithmetic number, because the mean of its divisors is an integer number (796908672).

Almost surely, 249603649568 is an apocalyptic number.

49603649568 is a gapful number since it is divisible by the number (48) 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 49603649568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76503232512).

49603649568 is an abundant number, since it is smaller than the sum of its proper divisors (103402815456).

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

49603649568 is a wasteful number, since it uses less digits than its factorization.

49603649568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65959 (or 65951 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 49603649568 in words is "forty-nine billion, six hundred three million, six hundred forty-nine thousand, five hundred sixty-eight".