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71000804738 = 235500402369
BaseRepresentation
bin100001000011111111…
…0100100110110000010
320210021011112120212202
41002013332210312002
52130402201222423
652341201353202
75062315611503
oct1020776446602
9223234476782
1071000804738
1128125115526
1211916038802
1369068a6bc6
1436178d2baa
151ca8400728
hex1087fa4d82

71000804738 has 4 divisors (see below), whose sum is σ = 106501207110. Its totient is φ = 35500402368.

The previous prime is 71000804737. The next prime is 71000804741. The reversal of 71000804738 is 83740800017.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39833373889 + 31167430849 = 199583^2 + 176543^2 .

It is a super-2 number, since 2×710008047382 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71000804737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17750201183 + ... + 17750201186.

Almost surely, 271000804738 is an apocalyptic number.

71000804738 is a deficient number, since it is larger than the sum of its proper divisors (35500402372).

71000804738 is a wasteful number, since it uses less digits than its factorization.

71000804738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35500402371.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 71000804738 in words is "seventy-one billion, eight hundred four thousand, seven hundred thirty-eight".

Divisors: 1 2 35500402369 71000804738