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12400232301313 = 173752137839157
BaseRepresentation
bin1011010001110010011101…
…1100010000001100000001
31121220110011111202121021121
42310130213130100030001
53111131133432120223
642212331005152241
72416613213312563
oct264344734201401
947813144677247
1012400232301313
113a509aa95165a
1214832b885b681
136bc44c1b480c
1430c262971333
15167859e0415d
hexb4727710301

12400232301313 has 16 divisors (see below), whose sum is σ = 13510395685584. Its totient is φ = 11333584005120.

The previous prime is 12400232301311. The next prime is 12400232301361. The reversal of 12400232301313 is 31310323200421.

It can be written as a sum of positive squares in 8 ways, for example, as 4506925194304 + 7893307107009 = 2122952^2 + 2809503^2 .

It is a cyclic number.

It is not a de Polignac number, because 12400232301313 - 21 = 12400232301311 is a prime.

It is a super-2 number, since 2×124002323013132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12400232301311) 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, 18591870 + ... + 19247287.

It is an arithmetic number, because the mean of its divisors is an integer number (844399730349).

Almost surely, 212400232301313 is an apocalyptic number.

It is an amenable number.

12400232301313 is a deficient number, since it is larger than the sum of its proper divisors (1110163384271).

12400232301313 is a wasteful number, since it uses less digits than its factorization.

12400232301313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37839732.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12400232301313 its reverse (31310323200421), we get a palindrome (43710555501734).

The spelling of 12400232301313 in words is "twelve trillion, four hundred billion, two hundred thirty-two million, three hundred one thousand, three hundred thirteen".

Divisors: 1 17 37 521 629 8857 19277 327709 37839157 643265669 1400048809 19714200797 23800829753 335141413549 729425429489 12400232301313