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1203031230220 = 22560151561511
BaseRepresentation
bin10001100000011010001…
…111111100011100001100
311021000020022111120010101
4101200122033330130030
5124202301443331340
62320355342220444
7152626143506641
oct21403217743414
94230208446111
101203031230220
11424225848236
121751a4884724
13895a35b5161
1442326d3ddc8
1521460d9cc9a
hex1181a3fc70c

1203031230220 has 12 divisors (see below), whose sum is σ = 2526365583504. Its totient is φ = 481212492080.

The previous prime is 1203031230187. The next prime is 1203031230263. The reversal of 1203031230220 is 220321303021.

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 3 ways as a sum of consecutive naturals, for example, 30075780736 + ... + 30075780775.

It is an arithmetic number, because the mean of its divisors is an integer number (210530465292).

Almost surely, 21203031230220 is an apocalyptic number.

1203031230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203031230220 is an abundant number, since it is smaller than the sum of its proper divisors (1323334353284).

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

1203031230220 is a wasteful number, since it uses less digits than its factorization.

1203031230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60151561520 (or 60151561518 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1203031230220 its reverse (220321303021), we get a palindrome (1423352533241).

The spelling of 1203031230220 in words is "one trillion, two hundred three billion, thirty-one million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 60151561511 120303123022 240606246044 300757807555 601515615110 1203031230220