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71894315088 = 24324311610839
BaseRepresentation
bin100001011110100111…
…1000011000001010000
320212120102211121122200
41002331033003001100
52134214421040323
653010000403200
75123415411111
oct1027517030120
9225512747580
1071894315088
1128543515032
1211b25316500
136a19a3a75b
1436a0440208
151d0ba99443
hex10bd3c3050

71894315088 has 60 divisors (see below), whose sum is σ = 205883414880. Its totient is φ = 23407449408.

The previous prime is 71894315057. The next prime is 71894315107. The reversal of 71894315088 is 88051349817.

71894315088 is a `hidden beast` number, since 7 + 1 + 89 + 431 + 50 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5799228 + ... + 5811611.

It is an arithmetic number, because the mean of its divisors is an integer number (3431390248).

Almost surely, 271894315088 is an apocalyptic number.

It is an amenable number.

71894315088 is an abundant number, since it is smaller than the sum of its proper divisors (133989099792).

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

71894315088 is a wasteful number, since it uses less digits than its factorization.

71894315088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11610896 (or 11610887 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 71894315088 in words is "seventy-one billion, eight hundred ninety-four million, three hundred fifteen thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 43 48 72 86 129 144 172 258 344 387 516 688 774 1032 1548 2064 3096 6192 11610839 23221678 34832517 46443356 69665034 92886712 104497551 139330068 185773424 208995102 278660136 417990204 499266077 557320272 835980408 998532154 1497798231 1671960816 1997064308 2995596462 3994128616 4493394693 5991192924 7988257232 8986789386 11982385848 17973578772 23964771696 35947157544 71894315088