Search a number
-
+
1020201111210 = 23553641635919
BaseRepresentation
bin11101101100010001011…
…10011000111010101010
310121112022120101012110010
432312020232120322222
5113203332441024320
62100401322232350
7133464351236001
oct16661056307252
93545276335403
101020201111210
11363734a26826
1214587b3556b6
1375287529498
143754131dc38
151b80eeaaae0
hexed88b98eaa

1020201111210 has 32 divisors (see below), whose sum is σ = 2494680456960. Its totient is φ = 266920541888.

The previous prime is 1020201111131. The next prime is 1020201111211. The reversal of 1020201111210 is 121111020201.

It is not an unprimeable number, because it can be changed into a prime (1020201111211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320816370 + ... + 320819549.

It is an arithmetic number, because the mean of its divisors is an integer number (77958764280).

Almost surely, 21020201111210 is an apocalyptic number.

1020201111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020201111210 is an abundant number, since it is smaller than the sum of its proper divisors (1474479345750).

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

1020201111210 is a wasteful number, since it uses less digits than its factorization.

1020201111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641635982.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020201111210 its reverse (121111020201), we get a palindrome (1141312131411).

The spelling of 1020201111210 in words is "one trillion, twenty billion, two hundred one million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 641635919 1283271838 1924907757 3208179595 3849815514 6416359190 9624538785 19249077570 34006703707 68013407414 102020111121 170033518535 204040222242 340067037070 510100555605 1020201111210