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20310326551151 = 7132360116146307
BaseRepresentation
bin1001001111000110111011…
…10011001010001001101111
32122220122111120121200111022
410213203131303022021233
510130231022044114101
6111110234001044355
74164241553131340
oct447433563121157
978818446550438
1020310326551151
11652061993802a
12234033b3266bb
13b44342665b30
1450304ca480c7
152534b8e08a1b
hex1278ddcca26f

20310326551151 has 32 divisors (see below), whose sum is σ = 26127568094208. Its totient is φ = 15345449222400.

The previous prime is 20310326551129. The next prime is 20310326551201. The reversal of 20310326551151 is 15115562301302.

It is a cyclic number.

It is not a de Polignac number, because 20310326551151 - 214 = 20310326534767 is a prime.

It is a super-2 number, since 2×203103265511512 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310326551111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6815261 + ... + 9331046.

It is an arithmetic number, because the mean of its divisors is an integer number (816486502944).

Almost surely, 220310326551151 is an apocalyptic number.

20310326551151 is a deficient number, since it is larger than the sum of its proper divisors (5817241543057).

20310326551151 is a wasteful number, since it uses less digits than its factorization.

20310326551151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16146951.

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 20310326551151 its reverse (15115562301302), we get a palindrome (35425888852453).

The spelling of 20310326551151 in words is "twenty trillion, three hundred ten billion, three hundred twenty-six million, five hundred fifty-one thousand, one hundred fifty-one".

Divisors: 1 7 13 23 91 161 299 601 2093 4207 7813 13823 54691 96761 179699 1257893 16146307 113024149 209901991 371365061 1469313937 2599555427 4827745793 9703930507 33794220551 67927513549 126151096591 223190401661 883057676137 1562332811627 2901475221593 20310326551151