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1031202012 = 223718591409
BaseRepresentation
bin111101011101101…
…110010011011100
32122212101111020010
4331131232103130
54102441431022
6250154123220
734361033601
oct7535562334
92585344203
101031202012
1148a0a5375
12249420510
13135843309
149ad506a8
15607e650c
hex3d76e4dc

1031202012 has 48 divisors (see below), whose sum is σ = 2444601600. Its totient is φ = 338257920.

The previous prime is 1031201999. The next prime is 1031202017. The reversal of 1031202012 is 2102021301.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031202017) 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, 731164 + ... + 732572.

It is an arithmetic number, because the mean of its divisors is an integer number (50929200).

Almost surely, 21031202012 is an apocalyptic number.

1031202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031202012 is an abundant number, since it is smaller than the sum of its proper divisors (1413399588).

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

1031202012 is a wasteful number, since it uses less digits than its factorization.

1031202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1031202012 is about 32112.3342658238. The cubic root of 1031202012 is about 1010.2943337184.

Adding to 1031202012 its reverse (2102021301), we get a palindrome (3133223313).

The spelling of 1031202012 in words is "one billion, thirty-one million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 859 1409 1718 2577 2818 3436 4227 5154 5636 8454 10308 16908 60989 100039 121978 182967 200078 243956 300117 365934 400156 600234 731868 1200468 1210331 2420662 3630993 4841324 7261986 14523972 85933501 171867002 257800503 343734004 515601006 1031202012