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1100313109 = 7157187587
BaseRepresentation
bin100000110010101…
…0111001000010101
32211200102200211101
41001211113020111
54223140004414
6301103310101
736160335640
oct10145271025
92750380741
101100313109
11515109585
122685ab331
13146c6035c
14a61c0a57
15668e8a74
hex41957215

1100313109 has 4 divisors (see below), whose sum is σ = 1257500704. Its totient is φ = 943125516.

The previous prime is 1100313091. The next prime is 1100313113. The reversal of 1100313109 is 9013130011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9013130011 = 10189238911.

It is a cyclic number.

It is not a de Polignac number, because 1100313109 - 29 = 1100312597 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 (1100313119) 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 3 ways as a sum of consecutive naturals, for example, 78593787 + ... + 78593800.

It is an arithmetic number, because the mean of its divisors is an integer number (314375176).

Almost surely, 21100313109 is an apocalyptic number.

It is an amenable number.

1100313109 is a deficient number, since it is larger than the sum of its proper divisors (157187595).

1100313109 is an equidigital number, since it uses as much as digits as its factorization.

1100313109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157187594.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 1100313109 is about 33170.9678634797. The cubic root of 1100313109 is about 1032.3780504661.

The spelling of 1100313109 in words is "one billion, one hundred million, three hundred thirteen thousand, one hundred nine".

Divisors: 1 7 157187587 1100313109