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12438653007100 = 2252227275473073
BaseRepresentation
bin1011010100000001100101…
…1111100111010011111100
31122001010100010002200101211
42311000121133213103330
53112243330132211400
642242123250214204
72422443263032225
oct265003137472374
948033303080354
1012438653007100
113a66226390571
12148a83b884364
136c2c63000a58
143100694b824c
15168857e2bdba
hexb50197e74fc

12438653007100 has 36 divisors (see below), whose sum is σ = 26993069614224. Its totient is φ = 4975241370880.

The previous prime is 12438653007097. The next prime is 12438653007103. The reversal of 12438653007100 is 170035683421.

It is an interprime number because it is at equal distance from previous prime (12438653007097) and next prime (12438653007103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12438653007103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463837 + ... + 5009236.

It is an arithmetic number, because the mean of its divisors is an integer number (749807489284).

Almost surely, 212438653007100 is an apocalyptic number.

12438653007100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12438653007100 is an abundant number, since it is smaller than the sum of its proper divisors (14554416607124).

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

12438653007100 is a wasteful number, since it uses less digits than its factorization.

12438653007100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495814 (or 5495807 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 12438653007100 in words is "twelve trillion, four hundred thirty-eight billion, six hundred fifty-three million, seven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 22727 45454 90908 113635 227270 454540 568175 1136350 2272700 5473073 10946146 21892292 27365365 54730730 109461460 136826825 273653650 547307300 124386530071 248773060142 497546120284 621932650355 1243865300710 2487730601420 3109663251775 6219326503550 12438653007100