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49404527568 = 243211611912677
BaseRepresentation
bin101110000000101111…
…010100001111010000
311201112002100001000100
4232000233110033100
51302140024340233
634410210252400
73366201361344
oct560057241720
9151462301010
1049404527568
1119a52627880
1296a9587100
13487459ab86
142569605624
15144246d813
hexb80bd43d0

49404527568 has 240 divisors, whose sum is σ = 154166418432. Its totient is φ = 14643072000.

The previous prime is 49404527561. The next prime is 49404527587. The reversal of 49404527568 is 86572540494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49404527561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18453846 + ... + 18456522.

Almost surely, 249404527568 is an apocalyptic number.

49404527568 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 49404527568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77083209216).

49404527568 is an abundant number, since it is smaller than the sum of its proper divisors (104761890864).

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

49404527568 is a wasteful number, since it uses less digits than its factorization.

49404527568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 49404527568 in words is "forty-nine billion, four hundred four million, five hundred twenty-seven thousand, five hundred sixty-eight".