Search a number
-
+
211100131232100 = 2232521179269914501
BaseRepresentation
bin101111111111111010010100…
…010101011000100101100100
31000200102222100002212100201200
4233333322110111120211210
5210132131032043411400
62024550021140522500
762315324021111415
oct5777722425304544
91020388302770650
10211100131232100
1161299076790a40
121b8147529b0430
1390a387044cba6
143a1b42d81b80c
1519612eb256b00
hexbffe94558964

211100131232100 has 216 divisors, whose sum is σ = 730971657736320. Its totient is φ = 50527994400000.

The previous prime is 211100131232087. The next prime is 211100131232143. The reversal of 211100131232100 is 1232131001112.

211100131232100 is a `hidden beast` number, since 21 + 1 + 10 + 0 + 1 + 312 + 321 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 134175151 + ... + 135739350.

Almost surely, 2211100131232100 is an apocalyptic number.

211100131232100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211100131232100 is an abundant number, since it is smaller than the sum of its proper divisors (519871526504220).

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

211100131232100 is a wasteful number, since it uses less digits than its factorization.

211100131232100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269914611 (or 269914601 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 211100131232100 its reverse (1232131001112), we get a palindrome (212332262233212).

The spelling of 211100131232100 in words is "two hundred eleven trillion, one hundred billion, one hundred thirty-one million, two hundred thirty-two thousand, one hundred".