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30211230110 = 25314716312721
BaseRepresentation
bin11100001000101110…
…101100100110011110
32212222110202111121112
4130020232230212132
5443333033330420
621513455302022
72116443135035
oct341056544636
985873674545
1030211230110
11118a34a7376
125a3181a912
132b06081b29
14166851171c
15bbc4508c5
hex708bac99e

30211230110 has 64 divisors (see below), whose sum is σ = 57685008384. Its totient is φ = 11374732800.

The previous prime is 30211230067. The next prime is 30211230139. The reversal of 30211230110 is 1103211203.

It is a super-2 number, since 2×302112301102 (a number of 22 digits) contains 22 as substring.

It is a Curzon 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, 2368550 + ... + 2381270.

It is an arithmetic number, because the mean of its divisors is an integer number (901328256).

Almost surely, 230211230110 is an apocalyptic number.

30211230110 is a deficient number, since it is larger than the sum of its proper divisors (27473778274).

30211230110 is a wasteful number, since it uses less digits than its factorization.

30211230110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12969.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30211230110 its reverse (1103211203), we get a palindrome (31314441313).

The spelling of 30211230110 in words is "thirty billion, two hundred eleven million, two hundred thirty thousand, one hundred ten".

Divisors: 1 2 5 10 31 47 62 94 155 163 235 310 326 470 815 1457 1630 2914 5053 7285 7661 10106 12721 14570 15322 25265 25442 38305 50530 63605 76610 127210 237491 394351 474982 597887 788702 1187455 1195774 1971755 2073523 2374910 2989435 3943510 4147046 5978870 10367615 18534497 20735230 37068994 64279213 92672485 97455581 128558426 185344970 194911162 321396065 487277905 642792130 974555810 3021123011 6042246022 15105615055 30211230110