Search a number
-
+
11220121431310 = 2511313290358191
BaseRepresentation
bin1010001101000110001101…
…0110100010110100001110
31110201122002112221222111111
42203101203112202310032
52432312302041300220
635510241433442234
72235425032366351
oct243214326426416
943648075858444
1011220121431310
113636477049290
12131264bb7037a
1363508c3263ac
142ab0b1b0c298
15146cdb38415a
hexa34635a2d0e

11220121431310 has 32 divisors (see below), whose sum is σ = 22742955823104. Its totient is φ = 3948429828000.

The previous prime is 11220121431251. The next prime is 11220121431367. The reversal of 11220121431310 is 1313412102211.

It is a super-2 number, since 2×112201214313102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645175686 + ... + 1645182505.

It is an arithmetic number, because the mean of its divisors is an integer number (710717369472).

Almost surely, 211220121431310 is an apocalyptic number.

11220121431310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220121431310 is an abundant number, since it is smaller than the sum of its proper divisors (11522834391794).

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

11220121431310 is a wasteful number, since it uses less digits than its factorization.

11220121431310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290358240.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11220121431310 its reverse (1313412102211), we get a palindrome (12533533533521).

The spelling of 11220121431310 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-one million, four hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 3410 3290358191 6580716382 16451790955 32903581910 36193940101 72387880202 102001103921 180969700505 204002207842 361939401010 510005519605 1020011039210 1122012143131 2244024286262 5610060715655 11220121431310