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11220131022 = 231870021837
BaseRepresentation
bin10100111001100010…
…11001110011001110
31001221221122201020020
422130301121303032
5140434323143042
65053210203010
7545021353152
oct123461316316
931857581206
1011220131022
114838520561
122211723466
13109a70c8a9
14786213062
1545a0733ec
hex29cc59cce

11220131022 has 8 divisors (see below), whose sum is σ = 22440262056. Its totient is φ = 3740043672.

The previous prime is 11220131003. The next prime is 11220131051. The reversal of 11220131022 is 22013102211.

It is a sphenic number, since it is the product of 3 distinct primes.

11220131022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11220130992 and 11220131010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935010913 + ... + 935010924.

It is an arithmetic number, because the mean of its divisors is an integer number (2805032757).

Almost surely, 211220131022 is an apocalyptic number.

11220131022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11220131022 is a wasteful number, since it uses less digits than its factorization.

11220131022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870021842.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11220131022 its reverse (22013102211), we get a palindrome (33233233233).

It can be divided in two parts, 11 and 220131022, that multiplied together give a palindrome (2421441242).

The spelling of 11220131022 in words is "eleven billion, two hundred twenty million, one hundred thirty-one thousand, twenty-two".

Divisors: 1 2 3 6 1870021837 3740043674 5610065511 11220131022