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49718790144 = 211342383157
BaseRepresentation
bin101110010011011110…
…001000100000000000
311202022222200020020000
4232103132020200000
51303311002241034
634501314120000
73410035512642
oct562336104000
9152288606200
1049718790144
111a0a3a62a11
129776880000
1348c472076a
14259924c892
15145ed48599
hexb93788800

49718790144 has 480 divisors, whose sum is σ = 157829031360. Its totient is φ = 15561621504.

The previous prime is 49718790127. The next prime is 49718790217. The reversal of 49718790144 is 44109781794.

49718790144 is a `hidden beast` number, since 497 + 1 + 8 + 7 + 9 + 0 + 144 = 666.

It is a super-2 number, since 2×497187901442 (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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 316680114 + ... + 316680270.

It is an arithmetic number, because the mean of its divisors is an integer number (328810482).

Almost surely, 249718790144 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 49718790144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78914515680).

49718790144 is an abundant number, since it is smaller than the sum of its proper divisors (108110241216).

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

49718790144 is a wasteful number, since it uses less digits than its factorization.

49718790144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 49718790144 in words is "forty-nine billion, seven hundred eighteen million, seven hundred ninety thousand, one hundred forty-four".