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1102200001 = 7157457143
BaseRepresentation
bin100000110110010…
…0011110011000001
32211210222120011021
41001230203303001
54224130400001
6301211545441
736212355040
oct10154436301
92753876137
101102200001
115161881a1
1226915b281
13147471166
14a6552557
1566b6cba1
hex41b23cc1

1102200001 has 4 divisors (see below), whose sum is σ = 1259657152. Its totient is φ = 944742852.

The previous prime is 1102199983. The next prime is 1102200019. The reversal of 1102200001 is 1000022011.

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: 1000022011 = 7907126473.

It is an interprime number because it is at equal distance from previous prime (1102199983) and next prime (1102200019).

It is a cyclic number.

It is not a de Polignac number, because 1102200001 - 219 = 1101675713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 157457143 = 1102200001 / (1 + 1 + 0 + 2 + 2 + 0 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102200401) 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, 78728565 + ... + 78728578.

It is an arithmetic number, because the mean of its divisors is an integer number (314914288).

Almost surely, 21102200001 is an apocalyptic number.

It is an amenable number.

1102200001 is a deficient number, since it is larger than the sum of its proper divisors (157457151).

1102200001 is an equidigital number, since it uses as much as digits as its factorization.

1102200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157457150.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1102200001 is about 33199.3975999565. The cubic root of 1102200001 is about 1032.9678442303.

Adding to 1102200001 its reverse (1000022011), we get a palindrome (2102222012).

The spelling of 1102200001 in words is "one billion, one hundred two million, two hundred thousand, one".

Divisors: 1 7 157457143 1102200001