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30111102210111 = 31312728019216973
BaseRepresentation
bin1101101100010110010011…
…00011010001000000111111
310221121121000111002210212220
412312023021203101000333
512421320014131210421
6144012503245100423
76225312116526216
oct666131143210077
9127547014083786
1030111102210111
11965a057225a0a
123463897257713
1313a56070b1a90
14761556ac607d
153733d3a423c6
hex1b62c98d103f

30111102210111 has 32 divisors (see below), whose sum is σ = 43578655088640. Its totient is φ = 18383263403904.

The previous prime is 30111102210073. The next prime is 30111102210121. The reversal of 30111102210111 is 11101220111103.

It is not a de Polignac number, because 30111102210111 - 26 = 30111102210047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111102210121) 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, 138669621 + ... + 138886593.

It is an arithmetic number, because the mean of its divisors is an integer number (1361832971520).

Almost surely, 230111102210111 is an apocalyptic number.

30111102210111 is a deficient number, since it is larger than the sum of its proper divisors (13467552878529).

30111102210111 is a wasteful number, since it uses less digits than its factorization.

30111102210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245135.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 30111102210111 its reverse (11101220111103), we get a palindrome (41212322321214).

The spelling of 30111102210111 in words is "thirty trillion, one hundred eleven billion, one hundred two million, two hundred ten thousand, one hundred eleven".

Divisors: 1 3 13 39 127 381 1651 4953 28019 84057 216973 364247 650919 1092741 2820649 3558413 8461947 10675239 27555571 46259369 82666713 138778107 358222423 1074667269 6079366487 18238099461 79031764331 237095292993 772079543849 2316238631547 10037034070037 30111102210111