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47399089920 = 28357131779101
BaseRepresentation
bin101100001001001101…
…001011011100000000
311112100022202020201220
4230021031023130000
51234033131334140
633435210555040
73265410421350
oct541115133400
9145308666656
1047399089920
1119113606896
129229a38a80
134614c6b790
142419132b60
151376384bd0
hexb0934b700

47399089920 has 1152 divisors, whose sum is σ = 201749667840. Its totient is φ = 9201254400.

The previous prime is 47399089909. The next prime is 47399089951. The reversal of 47399089920 is 2998099374.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 469297870 + ... + 469297970.

It is an arithmetic number, because the mean of its divisors is an integer number (175129920).

Almost surely, 247399089920 is an apocalyptic number.

47399089920 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 47399089920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100874833920).

47399089920 is an abundant number, since it is smaller than the sum of its proper divisors (154350577920).

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

47399089920 is a wasteful number, since it uses less digits than its factorization.

47399089920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 47399089920 in words is "forty-seven billion, three hundred ninety-nine million, eighty-nine thousand, nine hundred twenty".