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30556560541655 = 5107138414126513
BaseRepresentation
bin1101111001010100000001…
…11011111100011111010111
311000012011211020112200121202
412330222000323330133113
513001114313444313110
6144553253511103115
76302432025055121
oct674520073743727
9130164736480552
1030556560541655
119810a678aa655
123516096371a9b
131408618587245
14778d34344211
1537eca62110a5
hex1bca80efc7d7

30556560541655 has 16 divisors (see below), whose sum is σ = 37013245998624. Its totient is φ = 24215032657920.

The previous prime is 30556560541609. The next prime is 30556560541679. The reversal of 30556560541655 is 55614506565503.

It is not a de Polignac number, because 30556560541655 - 210 = 30556560540631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30556560541655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5341679 + ... + 9468191.

It is an arithmetic number, because the mean of its divisors is an integer number (2313327874914).

Almost surely, 230556560541655 is an apocalyptic number.

30556560541655 is a deficient number, since it is larger than the sum of its proper divisors (6456685456969).

30556560541655 is a wasteful number, since it uses less digits than its factorization.

30556560541655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140466.

The product of its (nonzero) digits is 40500000, while the sum is 56.

The spelling of 30556560541655 in words is "thirty trillion, five hundred fifty-six billion, five hundred sixty million, five hundred forty-one thousand, six hundred fifty-five".

Divisors: 1 5 107 535 13841 69205 1480987 4126513 7404935 20632565 441536891 2207684455 57115066433 285575332165 6111312108331 30556560541655