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47880981456 = 243711411072953
BaseRepresentation
bin101100100101111011…
…011100101111010000
311120120220111212122120
4230211323130233100
51241030012401311
633555103334240
73313351425060
oct544573345720
9146526455576
1047880981456
1119340625060
1293432b1380
134690a533b9
1424631333a0
1513a3822706
hexb25edcbd0

47880981456 has 320 divisors, whose sum is σ = 159505790976. Its totient is φ = 12015820800.

The previous prime is 47880981443. The next prime is 47880981461. The reversal of 47880981456 is 65418908874.

It is a self number, because there is not a number n which added to its sum of digits gives 47880981456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16212876 + ... + 16215828.

Almost surely, 247880981456 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 47880981456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79752895488).

47880981456 is an abundant number, since it is smaller than the sum of its proper divisors (111624809520).

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

47880981456 is a wasteful number, since it uses less digits than its factorization.

47880981456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3124 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 47880981456 in words is "forty-seven billion, eight hundred eighty million, nine hundred eighty-one thousand, four hundred fifty-six".