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20303044301 = 191318157109
BaseRepresentation
bin10010111010001001…
…111101111011001101
31221101221202111212202
4102322021331323031
5313040034404201
613154352411245
71316062012661
oct227211757315
957357674782
1020303044301
1186795a2761
123b27546b25
131bb74002a7
14da864c8a1
157dc67bc6b
hex4ba27decd

20303044301 has 8 divisors (see below), whose sum is σ = 21534770400. Its totient is φ = 19087632720.

The previous prime is 20303044283. The next prime is 20303044309. The reversal of 20303044301 is 10344030302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20303044301 - 214 = 20303027917 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 (20303044309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4076066 + ... + 4081043.

It is an arithmetic number, because the mean of its divisors is an integer number (2691846300).

Almost surely, 220303044301 is an apocalyptic number.

It is an amenable number.

20303044301 is a deficient number, since it is larger than the sum of its proper divisors (1231726099).

20303044301 is a wasteful number, since it uses less digits than its factorization.

20303044301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157259.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20303044301 its reverse (10344030302), we get a palindrome (30647074603).

The spelling of 20303044301 in words is "twenty billion, three hundred three million, forty-four thousand, three hundred one".

Divisors: 1 19 131 2489 8157109 154985071 1068581279 20303044301