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49893443520 = 26353143127307
BaseRepresentation
bin101110011101111000…
…011000011111000000
311202210011022112121120
4232131320120133000
51304140210143040
634530513352240
73414256162314
oct563570303700
9152704275546
1049893443520
111a183603648
129805268680
134921971b5b
1425b4513b44
1514703477d0
hexb9de187c0

49893443520 has 448 divisors, whose sum is σ = 169191407616. Its totient is φ = 12436623360.

The previous prime is 49893443461. The next prime is 49893443533. The reversal of 49893443520 is 2534439894.

49893443520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162519207 + ... + 162519513.

It is an arithmetic number, because the mean of its divisors is an integer number (377659392).

Almost surely, 249893443520 is an apocalyptic number.

49893443520 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 49893443520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84595703808).

49893443520 is an abundant number, since it is smaller than the sum of its proper divisors (119297964096).

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

49893443520 is a wasteful number, since it uses less digits than its factorization.

49893443520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 49893443520 in words is "forty-nine billion, eight hundred ninety-three million, four hundred forty-three thousand, five hundred twenty".