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65166768070 = 2517881364447
BaseRepresentation
bin111100101100001111…
…011111011111000110
320020012120202211002121
4330230033133133012
52031430143034240
645534234000154
74464615250315
oct745417373706
9206176684077
1065166768070
1125700a3a418
121076827605a
1361b7008cc1
143222b6627c
151a6614c04a
hexf2c3df7c6

65166768070 has 16 divisors (see below), whose sum is σ = 117307064448. Its totient is φ = 26065177920.

The previous prime is 65166768061. The next prime is 65166768071. The reversal of 65166768070 is 7086766156.

It is a junction number, because it is equal to n+sod(n) for n = 65166767999 and 65166768017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65166768071) 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 7 ways as a sum of consecutive naturals, for example, 3414 + ... + 361033.

It is an arithmetic number, because the mean of its divisors is an integer number (7331691528).

Almost surely, 265166768070 is an apocalyptic number.

65166768070 is a deficient number, since it is larger than the sum of its proper divisors (52140296378).

65166768070 is a wasteful number, since it uses less digits than its factorization.

65166768070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382335.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 65166768070 in words is "sixty-five billion, one hundred sixty-six million, seven hundred sixty-eight thousand, seventy".

Divisors: 1 2 5 10 17881 35762 89405 178810 364447 728894 1822235 3644470 6516676807 13033353614 32583384035 65166768070