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12423410300420 = 225789997063427
BaseRepresentation
bin1011010011001000110011…
…1101010011011000000100
31121222122222211020221201222
42310302030331103120010
53112021121014103140
642231122542135512
72421363455125160
oct264621475233004
947878884227658
1012423410300420
113a5a814267419
1214878a6b81598
136c16a40c6ba2
1430d420d55ca0
15168264b745b5
hexb4c8cf53604

12423410300420 has 48 divisors (see below), whose sum is σ = 30151198062720. Its totient is φ = 4211595911424.

The previous prime is 12423410300387. The next prime is 12423410300429. The reversal of 12423410300420 is 2400301432421.

It is a super-2 number, since 2×124234103004202 (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 12423410300420.

It is not an unprimeable number, because it can be changed into a prime (12423410300429) 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, 498519254 + ... + 498544173.

It is an arithmetic number, because the mean of its divisors is an integer number (628149959640).

Almost surely, 212423410300420 is an apocalyptic number.

12423410300420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12423410300420 is an abundant number, since it is smaller than the sum of its proper divisors (17727787762300).

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

12423410300420 is a wasteful number, since it uses less digits than its factorization.

12423410300420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997063532 (or 997063530 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12423410300420 its reverse (2400301432421), we get a palindrome (14823711732841).

The spelling of 12423410300420 in words is "twelve trillion, four hundred twenty-three billion, four hundred ten million, three hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 89 140 178 356 445 623 890 1246 1780 2492 3115 6230 12460 997063427 1994126854 3988253708 4985317135 6979443989 9970634270 13958887978 19941268540 27917775956 34897219945 69794439890 88738645003 139588879780 177477290006 354954580012 443693225015 621170515021 887386450030 1242341030042 1774772900060 2484682060084 3105852575105 6211705150210 12423410300420