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211103202111230 = 251113971152033591
BaseRepresentation
bin101111111111111101001011…
…010111110110111011111110
31000200110021021010021011221202
4233333331023113312323332
5210132203324220024410
62024551250000255502
762315463100131662
oct5777751327667376
91020407233234852
10211103202111230
116129a402162980
121b81526b311592
1390a3c3c720130
143a1b6415d48a2
15196142ab4bca5
hexbfff4b5f6efe

211103202111230 has 64 divisors (see below), whose sum is σ = 446876593906176. Its totient is φ = 70786839504000.

The previous prime is 211103202111229. The next prime is 211103202111337. The reversal of 211103202111230 is 32111202301112.

It is a super-2 number, since 2×2111032021112302 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74628266 + ... + 77405325.

It is an arithmetic number, because the mean of its divisors is an integer number (6982446779784).

Almost surely, 2211103202111230 is an apocalyptic number.

211103202111230 is an abundant number, since it is smaller than the sum of its proper divisors (235773391794946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211103202111230 is a wasteful number, since it uses less digits than its factorization.

211103202111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152034593.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211103202111230 its reverse (32111202301112), we get a palindrome (243214404412342).

The spelling of 211103202111230 in words is "two hundred eleven trillion, one hundred three billion, two hundred two million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 971 1430 1942 4855 9710 10681 12623 21362 25246 53405 63115 106810 126230 138853 277706 694265 1388530 152033591 304067182 760167955 1520335910 1672369501 1976436683 3344739002 3952873366 8361847505 9882183415 16723695010 19764366830 21740803513 43481607026 108704017565 147624616861 217408035130 295249233722 738123084305 1476246168610 1623870785471 1919120019193 3247741570942 3838240038386 8119353927355 9595600095965 16238707854710 19191200191930 21110320211123 42220640422246 105551601055615 211103202111230