Search a number
-
+
211102011201210 = 2358540178239571
BaseRepresentation
bin101111111111111100000100…
…011000111001011010111010
31000200110011012010100200112020
4233333330010120321122322
5210132143404331414320
62024550531455055310
762315421426433053
oct5777740430713272
91020404163320466
10211102011201210
11612999509a5618
121b814b98511536
1390a3aaca8c24c
143a1b56b38d72a
1519613ab309940
hexbfff046396ba

211102011201210 has 32 divisors (see below), whose sum is σ = 506645481621312. Its totient is φ = 56293796904960.

The previous prime is 211102011201071. The next prime is 211102011201217. The reversal of 211102011201210 is 12102110201112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211102011201210.

It is not an unprimeable number, because it can be changed into a prime (211102011201217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21500725 + ... + 29740295.

It is an arithmetic number, because the mean of its divisors is an integer number (15832671300666).

Almost surely, 2211102011201210 is an apocalyptic number.

211102011201210 is an abundant number, since it is smaller than the sum of its proper divisors (295543470420102).

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

211102011201210 is a wasteful number, since it uses less digits than its factorization.

211102011201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093598.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211102011201210 its reverse (12102110201112), we get a palindrome (223204121402322).

The spelling of 211102011201210 in words is "two hundred eleven trillion, one hundred two billion, eleven million, two hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 854017 1708034 2562051 4270085 5124102 8239571 8540170 12810255 16479142 24718713 25620510 41197855 49437426 82395710 123593565 247187130 7036733706707 14073467413414 21110201120121 35183668533535 42220402240242 70367337067070 105551005600605 211102011201210