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80508032800805 = 5317933719509697
BaseRepresentation
bin10010010011100010111100…
…101100100101100000100101
3101120001111022020012022000102
4102103202330230211200211
541023020422344111210
6443120514002353445
722646341050512231
oct2223427454454045
9346044266168012
1080508032800805
112371a2a0748795
129042bb535b885
1335bcb4b268b5c
1415c487697d5c1
159492ea895ea5
hex4938bcb25825

80508032800805 has 32 divisors (see below), whose sum is σ = 101288108912640. Its totient is φ = 61357213532160.

The previous prime is 80508032800733. The next prime is 80508032800823. The reversal of 80508032800805 is 50800823080508.

It is a happy number.

It is not a de Polignac number, because 80508032800805 - 216 = 80508032735269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80508032800805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5628284 + ... + 13881413.

It is an arithmetic number, because the mean of its divisors is an integer number (3165253403520).

Almost surely, 280508032800805 is an apocalyptic number.

It is an amenable number.

80508032800805 is a deficient number, since it is larger than the sum of its proper divisors (20780076111835).

80508032800805 is a wasteful number, since it uses less digits than its factorization.

80508032800805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19510149.

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 80508032800805 in words is "eighty trillion, five hundred eight billion, thirty-two million, eight hundred thousand, eight hundred five".

Divisors: 1 5 31 79 155 337 395 1685 2449 10447 12245 26623 52235 133115 825313 4126565 19509697 97548485 604800607 1541266063 3024003035 6574767889 7706330315 32873839445 47779247953 203817804559 238896239765 519406663231 1019089022795 2597033316155 16101606560161 80508032800805