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47390949424 = 24713193173757
BaseRepresentation
bin101100001000101110…
…001000000000110000
311112022202102200002001
4230020232020000300
51234024040340144
633434320303344
73265251265210
oct541056100060
9145282380061
1047390949424
1119109a56805
129227171b54
13461337b410
142418014240
1513757c7bd4
hexb08b88030

47390949424 has 320 divisors, whose sum is σ = 124640911360. Its totient is φ = 16930529280.

The previous prime is 47390949391. The next prime is 47390949467. The reversal of 47390949424 is 42494909374.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62603254 + ... + 62604010.

It is an arithmetic number, because the mean of its divisors is an integer number (389502848).

Almost surely, 247390949424 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 47390949424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62320455680).

47390949424 is an abundant number, since it is smaller than the sum of its proper divisors (77249961936).

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

47390949424 is a wasteful number, since it uses less digits than its factorization.

47390949424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 47390949424 in words is "forty-seven billion, three hundred ninety million, nine hundred forty-nine thousand, four hundred twenty-four".