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49787178048 = 263219113127317
BaseRepresentation
bin101110010111100011…
…000000110001000000
311202111202100200210100
4232113203000301000
51303431004144143
634512200002400
73411526013406
oct562743006100
9152452320710
1049787178048
111a129622843
129795760400
13490594658a
1425a4371476
151465d566d3
hexb978c0c40

49787178048 has 336 divisors, whose sum is σ = 153221253120. Its totient is φ = 15411658752.

The previous prime is 49787178017. The next prime is 49787178139. The reversal of 49787178048 is 84087178794.

49787178048 is a `hidden beast` number, since 497 + 8 + 71 + 78 + 0 + 4 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157057186 + ... + 157057502.

Almost surely, 249787178048 is an apocalyptic number.

49787178048 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 49787178048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76610626560).

49787178048 is an abundant number, since it is smaller than the sum of its proper divisors (103434075072).

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

49787178048 is a wasteful number, since it uses less digits than its factorization.

49787178048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 63.

The spelling of 49787178048 in words is "forty-nine billion, seven hundred eighty-seven million, one hundred seventy-eight thousand, forty-eight".