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83078665473705 = 3511245773369407
BaseRepresentation
bin10010111000111101000010…
…010110000000111010101001
3101220011020120001002102011020
4102320331002112000322221
541342130101330124310
6452405451222123053
723333143530636006
oct2270750226007251
9356136501072136
1083078665473705
1124520511892600
129399250b80489
1337483911909a5
1416730592b88ad
159911003db170
hex4b8f42580ea9

83078665473705 has 24 divisors (see below), whose sum is σ = 146108595150336. Its totient is φ = 40280565077280.

The previous prime is 83078665473691. The next prime is 83078665473707. The reversal of 83078665473705 is 50737456687038.

It is not a de Polignac number, because 83078665473705 - 215 = 83078665440937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83078665473705.

It is not an unprimeable number, because it can be changed into a prime (83078665473707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22886682889 + ... + 22886686518.

It is an arithmetic number, because the mean of its divisors is an integer number (6087858131264).

Almost surely, 283078665473705 is an apocalyptic number.

It is an amenable number.

83078665473705 is a deficient number, since it is larger than the sum of its proper divisors (63029929676631).

83078665473705 is a wasteful number, since it uses less digits than its factorization.

83078665473705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45773369437 (or 45773369426 counting only the distinct ones).

The product of its (nonzero) digits is 711244800, while the sum is 69.

The spelling of 83078665473705 in words is "eighty-three trillion, seventy-eight billion, six hundred sixty-five million, four hundred seventy-three thousand, seven hundred five".

Divisors: 1 3 5 11 15 33 55 121 165 363 605 1815 45773369407 137320108221 228866847035 503507063477 686600541105 1510521190431 2517535317385 5538577698247 7552605952155 16615733094741 27692888491235 83078665473705