Search a number
-
+
27873424740 = 22357174390787
BaseRepresentation
bin11001111101011000…
…101011010101100100
32122221112202200112110
4121331120223111210
5424041044042430
620445504121020
72004505125660
oct317530532544
978845680473
1027873424740
1110903904617
12549a906170
132822931045
1414c5c418a0
15ad20b27b0
hex67d62b564

27873424740 has 192 divisors, whose sum is σ = 96639105024. Its totient is φ = 5856786432.

The previous prime is 27873424727. The next prime is 27873424763. The reversal of 27873424740 is 4742437872.

It is a self number, because there is not a number n which added to its sum of digits gives 27873424740.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 261627 + ... + 352413.

It is an arithmetic number, because the mean of its divisors is an integer number (503328672).

Almost surely, 227873424740 is an apocalyptic number.

27873424740 is a gapful number since it is divisible by the number (20) 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 27873424740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48319552512).

27873424740 is an abundant number, since it is smaller than the sum of its proper divisors (68765680284).

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

27873424740 is a wasteful number, since it uses less digits than its factorization.

27873424740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90866 (or 90864 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 48.

The spelling of 27873424740 in words is "twenty-seven billion, eight hundred seventy-three million, four hundred twenty-four thousand, seven hundred forty".