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71363375540 = 22517359358417
BaseRepresentation
bin100001001110110010…
…1101011000110110100
320211012102210002111222
41002131211223012310
52132123011004130
652441152445512
75104310453312
oct1023545530664
9224172702458
1071363375540
11282a0846316
12119b7549898
136963a41b42
14364db130b2
151cca16dce5
hex109d96b1b4

71363375540 has 48 divisors (see below), whose sum is σ = 158725444752. Its totient is φ = 26858274816.

The previous prime is 71363375539. The next prime is 71363375543. The reversal of 71363375540 is 4557336317.

It can be written as a sum of positive squares in 8 ways, for example, as 3603120676 + 67760254864 = 60026^2 + 260308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71363375491 and 71363375500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71363375543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192412 + ... + 1250828.

It is an arithmetic number, because the mean of its divisors is an integer number (3306780099).

Almost surely, 271363375540 is an apocalyptic number.

It is an amenable number.

71363375540 is an abundant number, since it is smaller than the sum of its proper divisors (87362069212).

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

71363375540 is a wasteful number, since it uses less digits than its factorization.

71363375540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62036 (or 62034 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 44.

The spelling of 71363375540 in words is "seventy-one billion, three hundred sixty-three million, three hundred seventy-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3593 7186 14372 17965 35930 58417 61081 71860 116834 122162 233668 244324 292085 305405 584170 610810 993089 1168340 1221620 1986178 3972356 4965445 9930890 19861780 209892281 419784562 839569124 1049461405 2098922810 3568168777 4197845620 7136337554 14272675108 17840843885 35681687770 71363375540