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1999996930 = 253121373019
BaseRepresentation
bin111011100110101…
…1000100000000010
312011101100101000101
41313031120200002
513043444400210
6530242513014
7100363456561
oct16715304002
95141311011
101999996930
11936a45328
1247996576a
1325b475b49
1414d897bd8
15ba8b1a3a
hex77358802

1999996930 has 32 divisors (see below), whose sum is σ = 3719093760. Its totient is φ = 773573760.

The previous prime is 1999996897. The next prime is 1999996931. The reversal of 1999996930 is 396999991.

1999996930 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1999996931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660961 + ... + 663979.

It is an arithmetic number, because the mean of its divisors is an integer number (116221680).

Almost surely, 21999996930 is an apocalyptic number.

1999996930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1999996930 is a deficient number, since it is larger than the sum of its proper divisors (1719096830).

1999996930 is a wasteful number, since it uses less digits than its factorization.

1999996930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194.

The product of its (nonzero) digits is 9565938, while the sum is 64.

The square root of 1999996930 is about 44721.3252263392. The cubic root of 1999996930 is about 1259.9204052349.

The spelling of 1999996930 in words is "one billion, nine hundred ninety-nine million, nine hundred ninety-six thousand, nine hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 2137 3019 4274 6038 10685 15095 21370 30190 66247 93589 132494 187178 331235 467945 662470 935890 6451603 12903206 32258015 64516030 199999693 399999386 999998465 1999996930