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12101032303 = 19636896437
BaseRepresentation
bin10110100010100011…
…10001100101101111
31011020100020010121121
423101101301211233
5144240331013203
65320435041411
7605606035363
oct132121614557
934210203547
1012101032303
11514a798748
122418740267
1311ab07a159
1482b1db2a3
154ac57b0bd
hex2d147196f

12101032303 has 4 divisors (see below), whose sum is σ = 12737928760. Its totient is φ = 11464135848.

The previous prime is 12101032291. The next prime is 12101032369. The reversal of 12101032303 is 30323010121.

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

It is a cyclic number.

It is not a de Polignac number, because 12101032303 - 221 = 12098935151 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101032403) 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, 318448200 + ... + 318448237.

It is an arithmetic number, because the mean of its divisors is an integer number (3184482190).

Almost surely, 212101032303 is an apocalyptic number.

12101032303 is a deficient number, since it is larger than the sum of its proper divisors (636896457).

12101032303 is an equidigital number, since it uses as much as digits as its factorization.

12101032303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636896456.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12101032303 its reverse (30323010121), we get a palindrome (42424042424).

The spelling of 12101032303 in words is "twelve billion, one hundred one million, thirty-two thousand, three hundred three".

Divisors: 1 19 636896437 12101032303