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1220103103230 = 2325112353583799
BaseRepresentation
bin10001110000010011110…
…011111110001011111110
311022122022002020120021100
4101300103303332023332
5124442232343300410
62332301351513530
7154102202155314
oct21602363761376
94278262216240
101220103103230
114304964370a0
1217856a0888a6
138b09445176b
14430a63ac0b4
1521b0ea208c0
hex11c13cfe2fe

1220103103230 has 96 divisors (see below), whose sum is σ = 3611119449600. Its totient is φ = 282922453440.

The previous prime is 1220103103199. The next prime is 1220103103267. The reversal of 1220103103230 is 323013010221.

1220103103230 is a `hidden beast` number, since 1 + 2 + 20 + 10 + 310 + 323 + 0 = 666.

It is a super-2 number, since 2×12201031032302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26769130 + ... + 26814669.

It is an arithmetic number, because the mean of its divisors is an integer number (37615827600).

Almost surely, 21220103103230 is an apocalyptic number.

1220103103230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220103103230 is an abundant number, since it is smaller than the sum of its proper divisors (2391016346370).

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

1220103103230 is a wasteful number, since it uses less digits than its factorization.

1220103103230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53583846 (or 53583843 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1220103103230 its reverse (323013010221), we get a palindrome (1543116113451).

The spelling of 1220103103230 in words is "one trillion, two hundred twenty billion, one hundred three million, one hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 23 30 33 45 46 55 66 69 90 99 110 115 138 165 198 207 230 253 330 345 414 495 506 690 759 990 1035 1265 1518 2070 2277 2530 3795 4554 7590 11385 22770 53583799 107167598 160751397 267918995 321502794 482254191 535837990 589421789 803756985 964508382 1178843578 1232427377 1607513970 1768265367 2411270955 2464854754 2947108945 3536530734 3697282131 4822541910 5304796101 5894217890 6162136885 7394564262 8841326835 10609592202 11091846393 12324273770 13556701147 17682653670 18486410655 22183692786 26523980505 27113402294 36972821310 40670103441 53047961010 55459231965 67783505735 81340206882 110918463930 122010310323 135567011470 203350517205 244020620646 406701034410 610051551615 1220103103230