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213888948192 = 2533943926227
BaseRepresentation
bin1100011100110011000…
…1100101011111100000
3202110002021210100122000
43013030301211133200
512001021032320232
6242131554244000
721311240030223
oct3071461453740
9673067710560
10213888948192
118278980a587
1235552b86600
131722891800a
14a4d092b5ba
15586c96d27c
hex31ccc657e0

213888948192 has 96 divisors (see below), whose sum is σ = 623932646400. Its totient is φ = 71286044544.

The previous prime is 213888948179. The next prime is 213888948209. The reversal of 213888948192 is 291849888312.

213888948192 is a `hidden beast` number, since 2 + 1 + 388 + 8 + 94 + 81 + 92 = 666.

213888948192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8142183 + ... + 8168409.

It is an arithmetic number, because the mean of its divisors is an integer number (6499298400).

Almost surely, 2213888948192 is an apocalyptic number.

It is an amenable number.

213888948192 is an abundant number, since it is smaller than the sum of its proper divisors (410043698208).

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

213888948192 is a wasteful number, since it uses less digits than its factorization.

213888948192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35685 (or 35671 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 63.

The spelling of 213888948192 in words is "two hundred thirteen billion, eight hundred eighty-eight million, nine hundred forty-eight thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 9439 18878 26227 28317 37756 52454 56634 75512 78681 84951 104908 113268 151024 157362 169902 209816 226536 236043 254853 302048 314724 339804 419632 453072 472086 509706 629448 679608 708129 839264 906144 944172 1019412 1258896 1359216 1416258 1888344 2038824 2517792 2718432 2832516 3776688 4077648 5665032 7553376 8155296 11330064 22660128 247556653 495113306 742669959 990226612 1485339918 1980453224 2228009877 2970679836 3960906448 4456019754 5941359672 6684029631 7921812896 8912039508 11882719344 13368059262 17824079016 23765438688 26736118524 35648158032 53472237048 71296316064 106944474096 213888948192