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78103300852605 = 3571315678175271
BaseRepresentation
bin10001110000100011010111…
…100000001100101101111101
3101020112121021022210012102210
4101300203113200030231331
540214121030004240410
6434040054443211033
722310530414303620
oct2160432740145575
9336477238705383
1078103300852605
1122982473200916
128914b39516a79
133477156c2aa02
1415403116c3db7
159069a5866220
hex4708d780cb7d

78103300852605 has 32 divisors (see below), whose sum is σ = 143907674093568. Its totient is φ = 35431813684800.

The previous prime is 78103300852579. The next prime is 78103300852609. The reversal of 78103300852605 is 50625800330187.

It is not a de Polignac number, because 78103300852605 - 25 = 78103300852573 is a prime.

It is a super-3 number, since 3×781033008526053 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78103300852609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2839073881 + ... + 2839101390.

It is an arithmetic number, because the mean of its divisors is an integer number (4497114815424).

Almost surely, 278103300852605 is an apocalyptic number.

It is an amenable number.

78103300852605 is a deficient number, since it is larger than the sum of its proper divisors (65804373240963).

78103300852605 is a wasteful number, since it uses less digits than its factorization.

78103300852605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678175417.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 78103300852605 in words is "seventy-eight trillion, one hundred three billion, three hundred million, eight hundred fifty-two thousand, six hundred five".

Divisors: 1 3 5 7 15 21 35 105 131 393 655 917 1965 2751 4585 13755 5678175271 17034525813 28390876355 39747226897 85172629065 119241680691 198736134485 596208403455 743840960501 2231522881503 3719204802505 5206886723507 11157614407515 15620660170521 26034433617535 78103300852605