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20310103132203 = 3151254631760777
BaseRepresentation
bin1001001111000110100000…
…11110111000100000101011
32122220121221000012211022110
410213203100132320200223
510130230042400212303
6111110155500253403
74164233201115213
oct447432036704053
978817830184273
1020310103132203
11652051480a075
122340298541263
13b4430829c181
1450302b0cb243
152534a44c5703
hex1278d07b882b

20310103132203 has 16 divisors (see below), whose sum is σ = 27260562203136. Its totient is φ = 13449863553600.

The previous prime is 20310103132097. The next prime is 20310103132213. The reversal of 20310103132203 is 30223130101302.

It is not a de Polignac number, because 20310103132203 - 220 = 20310102083627 is a prime.

It is a super-2 number, since 2×203101031322032 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20310103132203.

It is not an unprimeable number, because it can be changed into a prime (20310103132213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10654351 + ... + 12415127.

It is an arithmetic number, because the mean of its divisors is an integer number (1703785137696).

Almost surely, 220310103132203 is an apocalyptic number.

20310103132203 is a deficient number, since it is larger than the sum of its proper divisors (6950459070933).

20310103132203 is a wasteful number, since it uses less digits than its factorization.

20310103132203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786394.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20310103132203 its reverse (30223130101302), we get a palindrome (50533233233505).

The spelling of 20310103132203 in words is "twenty trillion, three hundred ten billion, one hundred three million, one hundred thirty-two thousand, two hundred three".

Divisors: 1 3 151 453 25463 76389 1760777 3844913 5282331 11534739 265877327 797631981 44834664751 134503994253 6770034377401 20310103132203