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1103102309 = 1871589579
BaseRepresentation
bin100000111000000…
…0000000101100101
32211212200101220002
41001300000011211
54224343233214
6301243151045
736223133501
oct10160000545
92755611802
101103102309
11516744101
12269515485
131476c8a7a
14a6709301
1566c9a1de
hex41c00165

1103102309 has 4 divisors (see below), whose sum is σ = 1103693760. Its totient is φ = 1102510860.

The previous prime is 1103102257. The next prime is 1103102317. The reversal of 1103102309 is 9032013011.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1103102309 is a prime.

It is a super-2 number, since 2×11031023092 = 2433669408242262962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103101309) 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, 292919 + ... + 296660.

It is an arithmetic number, because the mean of its divisors is an integer number (275923440).

Almost surely, 21103102309 is an apocalyptic number.

It is an amenable number.

1103102309 is a deficient number, since it is larger than the sum of its proper divisors (591451).

1103102309 is an equidigital number, since it uses as much as digits as its factorization.

1103102309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591450.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1103102309 is about 33212.9840423892. The cubic root of 1103102309 is about 1033.2496445462.

The spelling of 1103102309 in words is "one billion, one hundred three million, one hundred two thousand, three hundred nine".

Divisors: 1 1871 589579 1103102309