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47450513880 = 233357115231091
BaseRepresentation
bin101100001100010001…
…010110000111011000
311112110220111212011000
4230030101112013120
51234134312421010
633444245105000
73266603466420
oct541421260730
9145426455130
1047450513880
111913a63a430
1292430b8160
134622805063
142421cbb480
15137ab417c0
hexb0c4561d8

47450513880 has 512 divisors, whose sum is σ = 197755084800. Its totient is φ = 9831974400.

The previous prime is 47450513827. The next prime is 47450513899. The reversal of 47450513880 is 8831505474.

47450513880 is a `hidden beast` number, since 4 + 7 + 4 + 50 + 513 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 43492135 + ... + 43493225.

It is an arithmetic number, because the mean of its divisors is an integer number (386240400).

Almost surely, 247450513880 is an apocalyptic number.

47450513880 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 47450513880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98877542400).

47450513880 is an abundant number, since it is smaller than the sum of its proper divisors (150304570920).

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

47450513880 is a wasteful number, since it uses less digits than its factorization.

47450513880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 47450513880 in words is "forty-seven billion, four hundred fifty million, five hundred thirteen thousand, eight hundred eighty".