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71110300020 = 22357915002173
BaseRepresentation
bin100001000111010000…
…0010001000101110100
320210112210120112011120
41002032200101011310
52131113214100040
652400112303540
75065115401644
oct1021640210564
9223483515146
1071110300020
1128180a019a1
1211946841bb0
136923493606
143628276524
151cb2d2d7d0
hex108e811174

71110300020 has 48 divisors (see below), whose sum is σ = 201629218560. Its totient is φ = 18722710656.

The previous prime is 71110300013. The next prime is 71110300031. The reversal of 71110300020 is 2000301117.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7496347 + ... + 7505826.

It is an arithmetic number, because the mean of its divisors is an integer number (4200608720).

Almost surely, 271110300020 is an apocalyptic number.

It is an amenable number.

71110300020 is an abundant number, since it is smaller than the sum of its proper divisors (130518918540).

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

71110300020 is a wasteful number, since it uses less digits than its factorization.

71110300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15002264 (or 15002262 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

Adding to 71110300020 its reverse (2000301117), we get a palindrome (73110601137).

The spelling of 71110300020 in words is "seventy-one billion, one hundred ten million, three hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 15002173 30004346 45006519 60008692 75010865 90013038 150021730 180026076 225032595 300043460 450065190 900130380 1185171667 2370343334 3555515001 4740686668 5925858335 7111030002 11851716670 14222060004 17777575005 23703433340 35555150010 71110300020