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30508055055005 = 5112109745967673
BaseRepresentation
bin1101110111111001101011…
…10010001100101010011101
311000000112121210220122220012
412323330311302030222131
512444320444043230010
6144515112414133005
76266064021166133
oct673746562145235
9130015553818805
1030508055055005
1197a243680a600
1235087b9ab1165
131403b88338358
147768522c9753
1537d8b7b80005
hex1bbf35c8ca9d

30508055055005 has 24 divisors (see below), whose sum is σ = 40277059829496. Its totient is φ = 22167450145280.

The previous prime is 30508055054977. The next prime is 30508055055007. The reversal of 30508055055005 is 50055055080503.

It can be written as a sum of positive squares in 4 ways, for example, as 93392582404 + 30414662472601 = 305602^2 + 5514949^2 .

It is not a de Polignac number, because 30508055055005 - 222 = 30508050860701 is a prime.

It is a super-2 number, since 2×305080550550052 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30508055055007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22320152 + ... + 23647521.

It is an arithmetic number, because the mean of its divisors is an integer number (1678210826229).

Almost surely, 230508055055005 is an apocalyptic number.

It is an amenable number.

30508055055005 is a deficient number, since it is larger than the sum of its proper divisors (9769004774491).

30508055055005 is a wasteful number, since it uses less digits than its factorization.

30508055055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45968797 (or 45968786 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 30508055055005 in words is "thirty trillion, five hundred eight billion, fifty-five million, fifty-five thousand, five".

Divisors: 1 5 11 55 121 605 1097 5485 12067 60335 132737 663685 45967673 229838365 505644403 2528222015 5562088433 27810442165 50426537281 252132686405 554691910091 2773459550455 6101611011001 30508055055005