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47939040000 = 283754137
BaseRepresentation
bin101100101001011000…
…111011001100000000
311120201221202120000000
4230221120323030000
51241134343240000
634004540000000
73314655055005
oct545130731400
9146657676000
1047939040000
111937037a325
12935a830000
13469caa0777
14246ab278ac
1513a8990000
hexb2963b300

47939040000 has 720 divisors, whose sum is σ = 180644550240. Its totient is φ = 12690432000.

The previous prime is 47939039999. The next prime is 47939040041. The reversal of 47939040000 is 4093974.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×479390400002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 349919932 + ... + 349920068.

Almost surely, 247939040000 is an apocalyptic number.

47939040000 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 47939040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90322275120).

47939040000 is an abundant number, since it is smaller than the sum of its proper divisors (132705510240).

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

47939040000 is an frugal number, since it uses more digits than its factorization.

47939040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 47939040000 in words is "forty-seven billion, nine hundred thirty-nine million, forty thousand".