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47722222080 = 2932513283563
BaseRepresentation
bin101100011100011101…
…110101001000000000
311120011211210001201200
4230130131311020000
51240213342101310
633531232501200
73306413123541
oct543435651000
9146154701650
1047722222080
1119269a4a865
1292ba0aa800
134666ba8540
14244a0084c8
1513949129c0
hexb1c775200

47722222080 has 480 divisors, whose sum is σ = 178935172416. Its totient is φ = 11684708352.

The previous prime is 47722222033. The next prime is 47722222109. The reversal of 47722222080 is 8022222774.

It is a tau number, because it is divible by the number of its divisors (480).

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 47 ways as a sum of consecutive naturals, for example, 84763879 + ... + 84764441.

Almost surely, 247722222080 is an apocalyptic number.

47722222080 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 47722222080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89467586208).

47722222080 is an abundant number, since it is smaller than the sum of its proper divisors (131212950336).

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

47722222080 is a wasteful number, since it uses less digits than its factorization.

47722222080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The spelling of 47722222080 in words is "forty-seven billion, seven hundred twenty-two million, two hundred twenty-two thousand, eighty".