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30105112534 = 273049705269
BaseRepresentation
bin11100000010011001…
…111000111111010110
32212201002002011122221
4130002121320333112
5443123402100114
621455145012554
72114014143250
oct340231707726
985632064587
1030105112534
11118496076a2
125a0218415a
132aba0a8973
1416583aacd0
15bb2e8d524
hex702678fd6

30105112534 has 16 divisors (see below), whose sum is σ = 51625764000. Its totient is φ = 12897941184.

The previous prime is 30105112501. The next prime is 30105112547. The reversal of 30105112534 is 43521150103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30105112499 and 30105112508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309949 + ... + 395320.

It is an arithmetic number, because the mean of its divisors is an integer number (3226610250).

Almost surely, 230105112534 is an apocalyptic number.

30105112534 is a deficient number, since it is larger than the sum of its proper divisors (21520651466).

30105112534 is a wasteful number, since it uses less digits than its factorization.

30105112534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708327.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 30105112534 its reverse (43521150103), we get a palindrome (73626262637).

The spelling of 30105112534 in words is "thirty billion, one hundred five million, one hundred twelve thousand, five hundred thirty-four".

Divisors: 1 2 7 14 3049 6098 21343 42686 705269 1410538 4936883 9873766 2150365181 4300730362 15052556267 30105112534