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1030200012 = 22339538889
BaseRepresentation
bin111101011001111…
…001101011001100
32122210111120202000
4331121321223030
54102212400022
6250120432300
734346361402
oct7531715314
92583446660
101030200012
11489580576
12249018690
1313558220a
149ab6d472
15606996ac
hex3d679acc

1030200012 has 24 divisors (see below), whose sum is σ = 2670889200. Its totient is φ = 343399968.

The previous prime is 1030200001. The next prime is 1030200023. The reversal of 1030200012 is 2100020301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1030200001) and next prime (1030200023).

It is a super-2 number, since 2×10302000122 = 2122624129449600288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1030199967 and 1030200003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4769337 + ... + 4769552.

It is an arithmetic number, because the mean of its divisors is an integer number (111287050).

Almost surely, 21030200012 is an apocalyptic number.

1030200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1030200012 is an abundant number, since it is smaller than the sum of its proper divisors (1640689188).

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

1030200012 is a wasteful number, since it uses less digits than its factorization.

1030200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9538902 (or 9538894 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1030200012 is about 32096.7289922198. The cubic root of 1030200012 is about 1009.9669995426.

Adding to 1030200012 its reverse (2100020301), we get a palindrome (3130220313).

The spelling of 1030200012 in words is "one billion, thirty million, two hundred thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 9538889 19077778 28616667 38155556 57233334 85850001 114466668 171700002 257550003 343400004 515100006 1030200012