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1001230103 = 4323284421
BaseRepresentation
bin111011101011011…
…000111100010111
32120202222202111102
4323223120330113
54022303330403
6243203500315
733545213126
oct7353307427
92522882442
101001230103
11474193aa5
1223b38769b
1312c57b063
1496d8babd
155cd75b88
hex3bad8f17

1001230103 has 4 divisors (see below), whose sum is σ = 1024514568. Its totient is φ = 977945640.

The previous prime is 1001230091. The next prime is 1001230117. The reversal of 1001230103 is 3010321001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001230103 - 222 = 997035799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001230163) 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 3 ways as a sum of consecutive naturals, for example, 11642168 + ... + 11642253.

It is an arithmetic number, because the mean of its divisors is an integer number (256128642).

Almost surely, 21001230103 is an apocalyptic number.

1001230103 is a deficient number, since it is larger than the sum of its proper divisors (23284465).

1001230103 is an equidigital number, since it uses as much as digits as its factorization.

1001230103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23284464.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1001230103 is about 31642.2202602788. The cubic root of 1001230103 is about 1000.4098663200.

Adding to 1001230103 its reverse (3010321001), we get a palindrome (4011551104).

The spelling of 1001230103 in words is "one billion, one million, two hundred thirty thousand, one hundred three".

Divisors: 1 43 23284421 1001230103