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1000120108 = 221319233079
BaseRepresentation
bin111011100111001…
…001111100101100
32120200220100212111
4323213021330230
54022012320413
6243124013404
733532611031
oct7347117454
92520810774
101000120108
114735a6049
1223ab31264
1312c27ca60
1496b7d388
155cc06d3d
hex3b9c9f2c

1000120108 has 12 divisors (see below), whose sum is σ = 1884841840. Its totient is φ = 461593872.

The previous prime is 1000120103. The next prime is 1000120127. The reversal of 1000120108 is 8010210001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1000120103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9616488 + ... + 9616591.

Almost surely, 21000120108 is an apocalyptic number.

It is an amenable number.

1000120108 is a deficient number, since it is larger than the sum of its proper divisors (884721732).

1000120108 is a wasteful number, since it uses less digits than its factorization.

1000120108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19233096 (or 19233094 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1000120108 is about 31624.6756188898. The cubic root of 1000120108 is about 1000.0400343972.

Adding to 1000120108 its reverse (8010210001), we get a palindrome (9010330109).

The spelling of 1000120108 in words is "one billion, one hundred twenty thousand, one hundred eight".

Divisors: 1 2 4 13 26 52 19233079 38466158 76932316 250030027 500060054 1000120108