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49913708544 = 214377199
BaseRepresentation
bin101110011111000101…
…101100000000000000
311202211120110010000000
4232133011230000000
51304210402133134
634532520000000
73414623344110
oct563705540000
9152746403000
1049913708544
111a193a94aa7
129810000000
134925c18aab
1425b70ab040
151471eebe99
hexb9f16c000

49913708544 has 480 divisors, whose sum is σ = 171961216000. Its totient is φ = 14189395968.

The previous prime is 49913708539. The next prime is 49913708569. The reversal of 49913708544 is 44580731994.

49913708544 is a `hidden beast` number, since 4 + 9 + 91 + 3 + 7 + 0 + 8 + 544 = 666.

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

It is a nialpdrome in base 12.

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, 250822557 + ... + 250822755.

Almost surely, 249913708544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49913708544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85980608000).

49913708544 is an abundant number, since it is smaller than the sum of its proper divisors (122047507456).

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

49913708544 is an frugal number, since it uses more digits than its factorization.

49913708544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 49913708544 in words is "forty-nine billion, nine hundred thirteen million, seven hundred eight thousand, five hundred forty-four".