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71507937230 = 2541174409603
BaseRepresentation
bin100001010011000110…
…1001000011111001110
320211120111210120212122
41002212031020133032
52132422012442410
652503355132542
75111014303052
oct1024615103716
9224514716778
1071507937230
1128365403694
1211a37a44152
1369879885c2
143664dc3c62
151cd7bc6e55
hex10a63487ce

71507937230 has 16 divisors (see below), whose sum is σ = 131853660624. Its totient is φ = 27905536320.

The previous prime is 71507937197. The next prime is 71507937299. The reversal of 71507937230 is 3273970517.

It is a super-2 number, since 2×715079372302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 87204392 + ... + 87205211.

It is an arithmetic number, because the mean of its divisors is an integer number (8240853789).

Almost surely, 271507937230 is an apocalyptic number.

71507937230 is a deficient number, since it is larger than the sum of its proper divisors (60345723394).

71507937230 is a wasteful number, since it uses less digits than its factorization.

71507937230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174409651.

The product of its (nonzero) digits is 277830, while the sum is 44.

The spelling of 71507937230 in words is "seventy-one billion, five hundred seven million, nine hundred thirty-seven thousand, two hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 174409603 348819206 872048015 1744096030 7150793723 14301587446 35753968615 71507937230