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13712612473020 = 22351297176209361
BaseRepresentation
bin1100011110001011011101…
…1001010011100010111100
31210112220122112120221101210
43013202313121103202330
53244131412243114040
645055253123004420
72613463214600316
oct307426731234274
953486575527353
1013712612473020
11440753928800a
12165571a209710
1378612b131b36
143559a041a7b6
1518ba6ab43480
hexc78b76538bc

13712612473020 has 48 divisors (see below), whose sum is σ = 38424918315168. Its totient is φ = 3653877288960.

The previous prime is 13712612473013. The next prime is 13712612473081. The reversal of 13712612473020 is 2037421621731.

It is a self number, because there is not a number n which added to its sum of digits gives 13712612473020.

It is a congruent number.

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, 88026861 + ... + 88182500.

It is an arithmetic number, because the mean of its divisors is an integer number (800519131566).

Almost surely, 213712612473020 is an apocalyptic number.

13712612473020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13712612473020 is an abundant number, since it is smaller than the sum of its proper divisors (24712305842148).

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

13712612473020 is a wasteful number, since it uses less digits than its factorization.

13712612473020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176210670 (or 176210668 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 13712612473020 in words is "thirteen trillion, seven hundred twelve billion, six hundred twelve million, four hundred seventy-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1297 2594 3891 5188 6485 7782 12970 15564 19455 25940 38910 77820 176209361 352418722 528628083 704837444 881046805 1057256166 1762093610 2114512332 2643140415 3524187220 5286280830 10572561660 228543541217 457087082434 685630623651 914174164868 1142717706085 1371261247302 2285435412170 2742522494604 3428153118255 4570870824340 6856306236510 13712612473020