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49885079040 = 293352331379
BaseRepresentation
bin101110011101011000…
…011110011000000000
311202202120120120201000
4232131120132120000
51304131040012130
634530014212000
73414125114136
oct563530363000
9152676516630
1049885079040
111a179910255
1298024b4000
134920003864
1425b3377756
15146e744260
hexb9d61e600

49885079040 has 320 divisors, whose sum is σ = 184906022400. Its totient is φ = 12723904512.

The previous prime is 49885079039. The next prime is 49885079051. The reversal of 49885079040 is 4097058894.

49885079040 is a `hidden beast` number, since 4 + 9 + 8 + 8 + 507 + 90 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×498850790402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1574071 + ... + 1605449.

It is an arithmetic number, because the mean of its divisors is an integer number (577831320).

Almost surely, 249885079040 is an apocalyptic number.

49885079040 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 49885079040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92453011200).

49885079040 is an abundant number, since it is smaller than the sum of its proper divisors (135020943360).

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

49885079040 is a wasteful number, since it uses less digits than its factorization.

49885079040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31434 (or 31412 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 49885079040 in words is "forty-nine billion, eight hundred eighty-five million, seventy-nine thousand, forty".