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71030537514 = 2323946140973
BaseRepresentation
bin100001000100110111…
…1111111110100101010
320210100020111011120200
41002021233333310222
52130432304200024
652344142533030
75063126415126
oct1021157776452
9223306434520
1071030537514
112813a983172
1211923b97176
13690cab7371
14361b832586
151caad252c9
hex1089bffd2a

71030537514 has 12 divisors (see below), whose sum is σ = 153899497986. Its totient is φ = 23676845832.

The previous prime is 71030537483. The next prime is 71030537519. The reversal of 71030537514 is 41573503017.

71030537514 is a `hidden beast` number, since 7 + 103 + 0 + 5 + 37 + 514 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70348544289 + 681993225 = 265233^2 + 26115^2 .

It is a super-2 number, since 2×710305375142 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71030537519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1973070469 + ... + 1973070504.

Almost surely, 271030537514 is an apocalyptic number.

71030537514 is an abundant number, since it is smaller than the sum of its proper divisors (82868960472).

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

71030537514 is a wasteful number, since it uses less digits than its factorization.

71030537514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946140981 (or 3946140978 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 71030537514 in words is "seventy-one billion, thirty million, five hundred thirty-seven thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 3946140973 7892281946 11838422919 23676845838 35515268757 71030537514