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30012211102 = 21931532691787
BaseRepresentation
bin11011111100110111…
…011111111110011110
32212110121021021212011
4123330313133332132
5442431111223402
621442025501434
72111505404506
oct337467377636
985417237764
1030012211102
1111801124455
12599704187a
132aa3a7c1c3
141649d06a06
15ba9c3bed7
hex6fcddff9e

30012211102 has 64 divisors (see below), whose sum is σ = 50052556800. Its totient is φ = 13440435840.

The previous prime is 30012211091. The next prime is 30012211123. The reversal of 30012211102 is 20111221003.

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, 16793853 + ... + 16795639.

It is an arithmetic number, because the mean of its divisors is an integer number (782071200).

Almost surely, 230012211102 is an apocalyptic number.

30012211102 is a deficient number, since it is larger than the sum of its proper divisors (20040345698).

30012211102 is a wasteful number, since it uses less digits than its factorization.

30012211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 30012211102 its reverse (20111221003), we get a palindrome (50123432105).

Subtracting from 30012211102 its reverse (20111221003), we obtain a palindrome (9900990099).

The spelling of 30012211102 in words is "thirty billion, twelve million, two hundred eleven thousand, one hundred two".

Divisors: 1 2 19 31 38 53 62 106 269 538 589 1007 1178 1643 1787 2014 3286 3574 5111 8339 10222 14257 16678 28514 31217 33953 55397 62434 67906 94711 110794 158441 189422 270883 316882 441967 480703 541766 883934 961406 1052543 1799509 2105086 2936041 3599018 5872082 8397373 9133357 14901793 16794746 18266714 25477259 29803586 50954518 55784779 111569558 283134067 484067921 566268134 789795029 968135842 1579590058 15006105551 30012211102