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1000007912 = 2379220029
BaseRepresentation
bin111011100110101…
…110100011101000
32120200200122222002
4323212232203220
54022000223122
6243121350132
733531632651
oct7346564350
92520618862
101000007912
11473529822
1223aa98348
1312c240977
1496b50528
155cbd3992
hex3b9ae8e8

1000007912 has 24 divisors (see below), whose sum is σ = 1899144450. Its totient is φ = 493650144.

The previous prime is 1000007909. The next prime is 1000007923. The reversal of 1000007912 is 2197000001.

It can be written as a sum of positive squares in only one way, i.e., 929884036 + 70123876 = 30494^2 + 8374^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39914 + ... + 59942.

Almost surely, 21000007912 is an apocalyptic number.

It is an amenable number.

1000007912 is a deficient number, since it is larger than the sum of its proper divisors (899136538).

1000007912 is an equidigital number, since it uses as much as digits as its factorization.

1000007912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20193 (or 20110 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1000007912 is about 31622.9017011406. The cubic root of 1000007912 is about 1000.0026373264.

Adding to 1000007912 its reverse (2197000001), we get a palindrome (3197007913).

The spelling of 1000007912 in words is "one billion, seven thousand, nine hundred twelve".

Divisors: 1 2 4 8 79 158 316 632 6241 12482 20029 24964 40058 49928 80116 160232 1582291 3164582 6329164 12658328 125000989 250001978 500003956 1000007912