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47858440140 = 2234573432003
BaseRepresentation
bin101100100100100101…
…011101011111001100
311120112100002122210000
4230210211131133030
51241003230041030
633552540244300
73312656013000
oct544445353714
9146470078700
1047858440140
1119329929475
129337840690
134689190344
142460146700
1513a186d860
hexb2495d7cc

47858440140 has 480 divisors, whose sum is σ = 179244172800. Its totient is φ = 10679340672.

The previous prime is 47858440129. The next prime is 47858440141. The reversal of 47858440140 is 4104485874.

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

It is not an unprimeable number, because it can be changed into a prime (47858440141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 23892379 + ... + 23894381.

It is an arithmetic number, because the mean of its divisors is an integer number (373425360).

Almost surely, 247858440140 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 47858440140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89622086400).

47858440140 is an abundant number, since it is smaller than the sum of its proper divisors (131385732660).

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

47858440140 is a wasteful number, since it uses less digits than its factorization.

47858440140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 47858440140 in words is "forty-seven billion, eight hundred fifty-eight million, four hundred forty thousand, one hundred forty".