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11420000220 = 2235197396469
BaseRepresentation
bin10101010001010111…
…10101111111011100
31002110212202010020010
422220223311333130
5141342010001340
65125110123220
7552666254166
oct125053657734
932425663203
1011420000220
114930324212
122268650510
1310ccc4c4a5
147a499d936
1546c8a3b80
hex2a8af5fdc

11420000220 has 48 divisors (see below), whose sum is σ = 31992539040. Its totient is φ = 3043758336.

The previous prime is 11420000191. The next prime is 11420000287. The reversal of 11420000220 is 2200002411.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11420000196 and 11420000205.

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, 70146 + ... + 166614.

It is an arithmetic number, because the mean of its divisors is an integer number (666511230).

Almost surely, 211420000220 is an apocalyptic number.

11420000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420000220 is an abundant number, since it is smaller than the sum of its proper divisors (20572538820).

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

11420000220 is a wasteful number, since it uses less digits than its factorization.

11420000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98454 (or 98452 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 11420000220 its reverse (2200002411), we get a palindrome (13620002631).

The spelling of 11420000220 in words is "eleven billion, four hundred twenty million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1973 3946 5919 7892 9865 11838 19730 23676 29595 39460 59190 96469 118380 192938 289407 385876 482345 578814 964690 1157628 1447035 1929380 2894070 5788140 190333337 380666674 571000011 761333348 951666685 1142000022 1903333370 2284000044 2855000055 3806666740 5710000110 11420000220