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56065005165 = 3513287512847
BaseRepresentation
bin110100001101101111…
…000001011001101101
312100201021012100121210
4310031233001121231
51404310120131130
641431135345033
74023225452361
oct641557013155
9170637170553
1056065005165
1121860263214
12aa48082179
135396448990
1429dc0212a1
1516d206d5b0
hexd0dbc166d

56065005165 has 16 divisors (see below), whose sum is σ = 96604316928. Its totient is φ = 27601233216.

The previous prime is 56065005163. The next prime is 56065005167. The reversal of 56065005165 is 56150056065.

It is an interprime number because it is at equal distance from previous prime (56065005163) and next prime (56065005167).

It is not a de Polignac number, because 56065005165 - 21 = 56065005163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56065005163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143756229 + ... + 143756618.

It is an arithmetic number, because the mean of its divisors is an integer number (6037769808).

Almost surely, 256065005165 is an apocalyptic number.

It is an amenable number.

56065005165 is a deficient number, since it is larger than the sum of its proper divisors (40539311763).

56065005165 is a wasteful number, since it uses less digits than its factorization.

56065005165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287512868.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 56065005165 in words is "fifty-six billion, sixty-five million, five thousand, one hundred sixty-five".

Divisors: 1 3 5 13 15 39 65 195 287512847 862538541 1437564235 3737667011 4312692705 11213001033 18688335055 56065005165