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71052058520 = 2358087219649
BaseRepresentation
bin100001000101100001…
…0000101111110011000
320210101201222112211222
41002023002011332120
52131003311333040
652350232111212
75063510350442
oct1021302057630
9223351875758
1071052058520
1128151042223
121192b235508
1369143b0ba1
143620635492
151cacb76bb5
hex108b085f98

71052058520 has 32 divisors (see below), whose sum is σ = 159887628000. Its totient is φ = 28417179648.

The previous prime is 71052058487. The next prime is 71052058523. The reversal of 71052058520 is 2585025017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71052058523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213656 + ... + 433304.

It is an arithmetic number, because the mean of its divisors is an integer number (4996488375).

Almost surely, 271052058520 is an apocalyptic number.

It is an amenable number.

71052058520 is an abundant number, since it is smaller than the sum of its proper divisors (88835569480).

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

71052058520 is a wasteful number, since it uses less digits than its factorization.

71052058520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227747 (or 227743 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

The spelling of 71052058520 in words is "seventy-one billion, fifty-two million, fifty-eight thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 8087 16174 32348 40435 64696 80870 161740 219649 323480 439298 878596 1098245 1757192 2196490 4392980 8785960 1776301463 3552602926 7105205852 8881507315 14210411704 17763014630 35526029260 71052058520