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13127472671776 = 2519117191842413
BaseRepresentation
bin1011111100000111101001…
…0110000110110000100000
31201110222022010211012100021
42333001322112012300200
53210040031000444101
643530402214203224
72523300003420031
oct277017226066040
951428263735307
1013127472671776
11420136a0aa811
121580238053514
13742bb9082958
143355319a8a88
1517b7206c25a1
hexbf07a586c20

13127472671776 has 48 divisors (see below), whose sum is σ = 27207296020800. Its totient is φ = 6217742539008.

The previous prime is 13127472671773. The next prime is 13127472671827. The reversal of 13127472671776 is 67717627472131.

It is not an unprimeable number, because it can be changed into a prime (13127472671773) 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, 6203946 + ... + 8046358.

It is an arithmetic number, because the mean of its divisors is an integer number (566818667100).

Almost surely, 213127472671776 is an apocalyptic number.

13127472671776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13127472671776 is an abundant number, since it is smaller than the sum of its proper divisors (14079823349024).

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

13127472671776 is a wasteful number, since it uses less digits than its factorization.

13127472671776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854161 (or 1854153 counting only the distinct ones).

The product of its digits is 29042496, while the sum is 61.

The spelling of 13127472671776 in words is "thirteen trillion, one hundred twenty-seven billion, four hundred seventy-two million, six hundred seventy-one thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 11719 23438 46876 93752 187504 222661 375008 445322 890644 1781288 1842413 3562576 3684826 7125152 7369652 14739304 29478608 35005847 58957216 70011694 140023388 280046776 560093552 1120187104 21591237947 43182475894 86364951788 172729903576 345459807152 410233520993 690919614304 820467041986 1640934083972 3281868167944 6563736335888 13127472671776