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123130321220013 = 3290336314136517
BaseRepresentation
bin11011111111110010000011…
…000011101011000110101101
3121010222010212210102020000220
4123333302003003223012231
5112114331344213020023
61113513142204241553
734635605100425142
oct3377620303530655
9533863783366026
10123130321220013
11362623043673a8
12119875935402b9
1353921a754b9c3
142259779d6a3c9
15e37d8000e3e3
hex6ffc830eb1ad

123130321220013 has 8 divisors (see below), whose sum is σ = 164173829786208. Its totient is φ = 82086846733584.

The previous prime is 123130321219979. The next prime is 123130321220021. The reversal of 123130321220013 is 310022123031321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123130321220013 - 220 = 123130320171437 is a prime.

It is a super-2 number, since 2×1231303212200132 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130321220083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1641831 + ... + 15778347.

It is an arithmetic number, because the mean of its divisors is an integer number (20521728723276).

Almost surely, 2123130321220013 is an apocalyptic number.

It is an amenable number.

123130321220013 is a deficient number, since it is larger than the sum of its proper divisors (41043508566195).

123130321220013 is a wasteful number, since it uses less digits than its factorization.

123130321220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17039883.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123130321220013 its reverse (310022123031321), we get a palindrome (433152444251334).

The spelling of 123130321220013 in words is "one hundred twenty-three trillion, one hundred thirty billion, three hundred twenty-one million, two hundred twenty thousand, thirteen".

Divisors: 1 3 2903363 8710089 14136517 42409551 41043440406671 123130321220013