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12302321010020 = 2255357720114321
BaseRepresentation
bin1011001100000101101101…
…1110010100010101100100
31121120002102220101122201122
42303001123132110111210
53103030123134310040
642055335214313112
72406545661133046
oct263013336242544
947502386348648
1012302321010020
113a134265422a8
1214683324b8798
136b314733b6b2
1430761509ba96
151650292511b5
hexb305b794564

12302321010020 has 48 divisors (see below), whose sum is σ = 26367945167088. Its totient is φ = 4819712901120.

The previous prime is 12302321009999. The next prime is 12302321010037. The reversal of 12302321010020 is 2001012320321.

It can be written as a sum of positive squares in 8 ways, for example, as 4434924317476 + 7867396692544 = 2105926^2 + 2804888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9445541 + ... + 10668780.

It is an arithmetic number, because the mean of its divisors is an integer number (549332190981).

Almost surely, 212302321010020 is an apocalyptic number.

12302321010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302321010020 is an abundant number, since it is smaller than the sum of its proper divisors (14065624157068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12302321010020 is a wasteful number, since it uses less digits than its factorization.

12302321010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20114960 (or 20114958 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12302321010020 its reverse (2001012320321), we get a palindrome (14303333330341).

The spelling of 12302321010020 in words is "twelve trillion, three hundred two billion, three hundred twenty-one million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 577 1060 1154 2308 2885 5770 11540 30581 61162 122324 152905 305810 611620 20114321 40228642 80457284 100571605 201143210 402286420 1066059013 2132118026 4264236052 5330295065 10660590130 11605963217 21321180260 23211926434 46423852868 58029816085 116059632170 232119264340 615116050501 1230232101002 2460464202004 3075580252505 6151160505010 12302321010020