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20302312302321 = 372661941222043
BaseRepresentation
bin1001001110111000000000…
…00111001110011011110001
32122212212211001101122212120
410213130000013032123301
510130113113422133241
6111102430431544453
74163536140134400
oct447340007163361
978785731348776
1020302312302321
116518187018295
12233a88338b129
13b436661a426a
145028cc511637
1525319a546666
hex1277001ce6f1

20302312302321 has 48 divisors (see below), whose sum is σ = 31570596059328. Its totient is φ = 11571407971200.

The previous prime is 20302312302277. The next prime is 20302312302329. The reversal of 20302312302321 is 12320321320302.

It is not a de Polignac number, because 20302312302321 - 29 = 20302312301809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20302312302291 and 20302312302300.

It is not an unprimeable number, because it can be changed into a prime (20302312302329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91323126 + ... + 91545168.

It is an arithmetic number, because the mean of its divisors is an integer number (657720751236).

Almost surely, 220302312302321 is an apocalyptic number.

20302312302321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20302312302321 is a deficient number, since it is larger than the sum of its proper divisors (11268283757007).

20302312302321 is a wasteful number, since it uses less digits than its factorization.

20302312302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223662 (or 223655 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20302312302321 its reverse (12320321320302), we get a palindrome (32622633622623).

The spelling of 20302312302321 in words is "twenty trillion, three hundred two billion, three hundred twelve million, three hundred two thousand, three hundred twenty-one".

Divisors: 1 3 7 21 49 147 661 941 1983 2823 4627 6587 13881 19761 32389 46109 97167 138327 222043 622001 666129 1554301 1866003 4354007 4662903 10880107 13062021 30478049 32640321 91434147 146770423 208942463 440311269 626827389 1027392961 1462597241 3082178883 4387791723 7191750727 10238180687 21575252181 30714542061 138110968043 414332904129 966776776301 2900330328903 6767437434107 20302312302321