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30551236111255 = 5211491437313487
BaseRepresentation
bin1101111001001010000111…
…00100110110101110010111
311000011200002011200121012211
412330211003210312232113
513001022412421030010
6144551013310054251
76302153053130326
oct674450344665627
9130150064617184
1030551236111255
119809785352252
12351504b1aa387
131407c7a455a02
1477898b1500bd
1537ea93a7208a
hex1bc943936b97

30551236111255 has 32 divisors (see below), whose sum is σ = 36921433125888. Its totient is φ = 24268261987200.

The previous prime is 30551236111211. The next prime is 30551236111261. The reversal of 30551236111255 is 55211163215503.

It is not a de Polignac number, because 30551236111255 - 229 = 30550699240343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2265229122 + ... + 2265242608.

It is an arithmetic number, because the mean of its divisors is an integer number (1153794785184).

Almost surely, 230551236111255 is an apocalyptic number.

30551236111255 is a deficient number, since it is larger than the sum of its proper divisors (6370197014633).

30551236111255 is a wasteful number, since it uses less digits than its factorization.

30551236111255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18567.

The product of its (nonzero) digits is 135000, while the sum is 40.

Adding to 30551236111255 its reverse (55211163215503), we get a palindrome (85762399326758).

The spelling of 30551236111255 in words is "thirty trillion, five hundred fifty-one billion, two hundred thirty-six million, one hundred eleven thousand, two hundred fifty-five".

Divisors: 1 5 211 491 1055 2455 4373 13487 21865 67435 103601 518005 922703 2147143 2845757 4613515 6622117 10735715 14228785 33110585 58978651 294893255 453047173 1397266687 2265235865 6986333435 12444495361 28958517641 62222476805 144792588205 6110247222251 30551236111255