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11222202030 = 2351328774877
BaseRepresentation
bin10100111001110010…
…10011011010101110
31001222002112221010020
422130321103122232
5140440340431110
65053322423010
7545045100114
oct123471233256
931862487106
1011222202030
114839705536
122212361a66
13109ac86440
147865d1ab4
1545a331d70
hex29ce536ae

11222202030 has 32 divisors (see below), whose sum is σ = 29005077024. Its totient is φ = 2762388096.

The previous prime is 11222201989. The next prime is 11222202031. The reversal of 11222202030 is 3020222211.

It is a happy number.

It is a super-2 number, since 2×112222020302 (a number of 21 digits) contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222202031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14387049 + ... + 14387828.

It is an arithmetic number, because the mean of its divisors is an integer number (906408657).

Almost surely, 211222202030 is an apocalyptic number.

11222202030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222202030 is an abundant number, since it is smaller than the sum of its proper divisors (17782874994).

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

11222202030 is a wasteful number, since it uses less digits than its factorization.

11222202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28774900.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 11222202030 its reverse (3020222211), we get a palindrome (14242424241).

It can be divided in two parts, 1122220 and 2030, that added together give a triangular number (1124250 = T1499).

The spelling of 11222202030 in words is "eleven billion, two hundred twenty-two million, two hundred two thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 28774877 57549754 86324631 143874385 172649262 287748770 374073401 431623155 748146802 863246310 1122220203 1870367005 2244440406 3740734010 5611101015 11222202030