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1230223222000 = 24534283143617
BaseRepresentation
bin10001111001101111000…
…001001010010011110000
311100121102101000212101001
4101321233001022103300
5130123444121101000
62341053505051344
7154611035564623
oct21715701122360
94317371025331
101230223222000
11434809a34113
1217a513326b54
138c017ca7c16
144378647bdba
152200320946a
hex11e6f04a4f0

1230223222000 has 80 divisors (see below), whose sum is σ = 2975395000032. Its totient is φ = 491970969600.

The previous prime is 1230223221991. The next prime is 1230223222061. The reversal of 1230223222000 is 2223220321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12302232220002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 8494192 + ... + 8637808.

Almost surely, 21230223222000 is an apocalyptic number.

1230223222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230223222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487697500016).

1230223222000 is an abundant number, since it is smaller than the sum of its proper divisors (1745171778032).

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

1230223222000 is a wasteful number, since it uses less digits than its factorization.

1230223222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147923 (or 147907 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 1230223222000 its reverse (2223220321), we get a palindrome (1232446442321).

The spelling of 1230223222000 in words is "one trillion, two hundred thirty billion, two hundred twenty-three million, two hundred twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 4283 8566 17132 21415 34264 42830 68528 85660 107075 143617 171320 214150 287234 342640 428300 535375 574468 718085 856600 1070750 1148936 1436170 1713200 2141500 2297872 2872340 3590425 4283000 5744680 7180850 8566000 11489360 14361700 17952125 28723400 35904250 57446800 71808500 143617000 287234000 615111611 1230223222 2460446444 3075558055 4920892888 6151116110 9841785776 12302232220 15377790275 24604464440 30755580550 49208928880 61511161100 76888951375 123022322200 153777902750 246044644400 307555805500 615111611000 1230223222000