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1200232200103 = 2137561643519
BaseRepresentation
bin10001011101110011011…
…010011111011110100111
311020202000020122002122021
4101131303122133132213
5124131033420400403
62315213513244011
7152466605241166
oct21356332373647
94222006562567
101200232200103
11423019872502
12174743403607
1389248737511
144213d2cd3dd
152134a2a58bd
hex1177369f7a7

1200232200103 has 4 divisors (see below), whose sum is σ = 1200793845760. Its totient is φ = 1199670554448.

The previous prime is 1200232200043. The next prime is 1200232200109. The reversal of 1200232200103 is 3010022320021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1200232200103 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 (1200232200109) 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, 280819623 + ... + 280823896.

It is an arithmetic number, because the mean of its divisors is an integer number (300198461440).

Almost surely, 21200232200103 is an apocalyptic number.

1200232200103 is a deficient number, since it is larger than the sum of its proper divisors (561645657).

1200232200103 is an equidigital number, since it uses as much as digits as its factorization.

1200232200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561645656.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1200232200103 its reverse (3010022320021), we get a palindrome (4210254520124).

The spelling of 1200232200103 in words is "one trillion, two hundred billion, two hundred thirty-two million, two hundred thousand, one hundred three".

Divisors: 1 2137 561643519 1200232200103