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30055510320105 = 3518127739964511
BaseRepresentation
bin1101101010101110110000…
…00001000010001111101001
310221102021112012011012020210
412311113120001002033221
512414412141120220410
6143531151050011333
76221303364335154
oct665273001021751
9127367465135223
1030055510320105
11963851a037166
123454b61716b49
1313a02b79970ca
1475c9a185cc9b
15371c2d2cb220
hex1b55d80423e9

30055510320105 has 32 divisors (see below), whose sum is σ = 48529066779648. Its totient is φ = 15883494854400.

The previous prime is 30055510320103. The next prime is 30055510320127. The reversal of 30055510320105 is 50102301555003.

It is not a de Polignac number, because 30055510320105 - 21 = 30055510320103 is a prime.

It is a super-2 number, since 2×300555103201052 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30055510320103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19230201 + ... + 20734310.

It is an arithmetic number, because the mean of its divisors is an integer number (1516533336864).

Almost surely, 230055510320105 is an apocalyptic number.

It is an amenable number.

30055510320105 is a deficient number, since it is larger than the sum of its proper divisors (18473556459543).

30055510320105 is a wasteful number, since it uses less digits than its factorization.

30055510320105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39964977.

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 30055510320105 its reverse (50102301555003), we get a palindrome (80157811875108).

The spelling of 30055510320105 in words is "thirty trillion, fifty-five billion, five hundred ten million, three hundred twenty thousand, one hundred five".

Divisors: 1 3 5 15 181 277 543 831 905 1385 2715 4155 50137 150411 250685 752055 39964511 119893533 199822555 599467665 7233576491 11070169547 21700729473 33210508641 36167882455 55350847735 108503647365 166052543205 2003700688007 6011102064021 10018503440035 30055510320105