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1001100101 = 19831394567
BaseRepresentation
bin111011101010111…
…001001101000101
32120202202011011112
4323222321031011
54022240200401
6243201014405
733544132121
oct7352711505
92522664145
101001100101
11474105361
1223b324405
1312c533b31
1496d56581
155cd4c3bb
hex3bab9345

1001100101 has 16 divisors (see below), whose sum is σ = 1074393600. Its totient is φ = 930039408.

The previous prime is 1001100091. The next prime is 1001100127. The reversal of 1001100101 is 1010011001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1001100101 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 (1001100151) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 216920 + ... + 221486.

It is an arithmetic number, because the mean of its divisors is an integer number (67149600).

Almost surely, 21001100101 is an apocalyptic number.

It is an amenable number.

1001100101 is a deficient number, since it is larger than the sum of its proper divisors (73293499).

1001100101 is a wasteful number, since it uses less digits than its factorization.

1001100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808.

The product of its (nonzero) digits is 1, while the sum is 5.

The square root of 1001100101 is about 31640.1659445712. The cubic root of 1001100101 is about 1000.3665659463.

Adding to 1001100101 its reverse (1010011001), we get a palindrome (2011111102).

The spelling of 1001100101 in words is "one billion, one million, one hundred thousand, one hundred one".

Divisors: 1 19 83 139 1577 2641 4567 11537 86773 219203 379061 634813 7202159 12061447 52689479 1001100101