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56785871045 = 5192341633877
BaseRepresentation
bin110100111000101100…
…111010000011000101
312102120111122010201002
4310320230322003011
51412244140333140
642030450143045
74050130640231
oct647054720305
9172514563632
1056785871045
11220a0164442
12b009581a85
13547c8b2637
142a69a6b5c1
1517254b3415
hexd38b3a0c5

56785871045 has 32 divisors (see below), whose sum is σ = 76673882880. Its totient is φ = 40162383360.

The previous prime is 56785871039. The next prime is 56785871053. The reversal of 56785871045 is 54017858765.

It is not a de Polignac number, because 56785871045 - 24 = 56785871029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227354 + ... + 406523.

It is an arithmetic number, because the mean of its divisors is an integer number (2396058840).

Almost surely, 256785871045 is an apocalyptic number.

It is an amenable number.

56785871045 is a deficient number, since it is larger than the sum of its proper divisors (19888011835).

56785871045 is a wasteful number, since it uses less digits than its factorization.

56785871045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633965.

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 56785871045 in words is "fifty-six billion, seven hundred eighty-five million, eight hundred seventy-one thousand, forty-five".

Divisors: 1 5 19 23 41 95 115 205 437 779 943 2185 3895 4715 17917 89585 633877 3169385 12043663 14579171 25988957 60218315 72895855 129944785 277004249 493790183 597746011 1385021245 2468950915 2988730055 11357174209 56785871045