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20303003103 = 39803690367
BaseRepresentation
bin10010111010001001…
…110011110111011111
31221101221200102100220
4102322021303313133
5313040032044403
613154351452423
71316061451605
oct227211636737
957357612326
1020303003103
118679574809
123b27527113
131bb73b7606
14da863b875
157dc66e953
hex4ba273ddf

20303003103 has 8 divisors (see below), whose sum is σ = 27073471488. Its totient is φ = 13533935064.

The previous prime is 20303003101. The next prime is 20303003107. The reversal of 20303003103 is 30130030302.

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

It is not a de Polignac number, because 20303003103 - 21 = 20303003101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303003101) 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, 315775 + ... + 374592.

It is an arithmetic number, because the mean of its divisors is an integer number (3384183936).

Almost surely, 220303003103 is an apocalyptic number.

20303003103 is a deficient number, since it is larger than the sum of its proper divisors (6770468385).

20303003103 is an equidigital number, since it uses as much as digits as its factorization.

20303003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700173.

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 20303003103 its reverse (30130030302), we get a palindrome (50433033405).

The spelling of 20303003103 in words is "twenty billion, three hundred three million, three thousand, one hundred three".

Divisors: 1 3 9803 29409 690367 2071101 6767667701 20303003103