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49212320768 = 2101343149577
BaseRepresentation
bin101101110101010010…
…000110110000000000
311201000200122220211222
4231311102012300000
51301241323231033
634335142454212
73361345552562
oct556522066000
9151020586758
1049212320768
1119964087a86
129655134368
134843811b40
14254bc91332
151430653598
hexb75486c00

49212320768 has 176 divisors, whose sum is σ = 109324538400. Its totient is φ = 21998075904.

The previous prime is 49212320753. The next prime is 49212320779. The reversal of 49212320768 is 86702321294.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85289696 + ... + 85290272.

It is an arithmetic number, because the mean of its divisors is an integer number (621162150).

Almost surely, 249212320768 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 49212320768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54662269200).

49212320768 is an abundant number, since it is smaller than the sum of its proper divisors (60112217632).

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

49212320768 is a wasteful number, since it uses less digits than its factorization.

49212320768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 49212320768 in words is "forty-nine billion, two hundred twelve million, three hundred twenty thousand, seven hundred sixty-eight".