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13231220013132 = 223111713942419177
BaseRepresentation
bin1100000010001010001000…
…1010110011100001001100
31201211220002110202012112120
43000202202022303201030
53213240014310410012
644050201043532540
72533631652315012
oct300424212634114
951756073665476
1013231220013132
11424136883a940
12159837098a150
1374c911050234
1433a5745b08b2
1517e2938c558c
hexc08a22b384c

13231220013132 has 96 divisors (see below), whose sum is σ = 35917166396160. Its totient is φ = 3746461624320.

The previous prime is 13231220013107. The next prime is 13231220013169. The reversal of 13231220013132 is 23131002213231.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20897673 + ... + 21521504.

It is an arithmetic number, because the mean of its divisors is an integer number (374137149960).

Almost surely, 213231220013132 is an apocalyptic number.

13231220013132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13231220013132 is an abundant number, since it is smaller than the sum of its proper divisors (22685946383028).

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

13231220013132 is a wasteful number, since it uses less digits than its factorization.

13231220013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42419351 (or 42419349 counting only the distinct ones).

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

Adding to 13231220013132 its reverse (23131002213231), we get a palindrome (36362222226363).

The spelling of 13231220013132 in words is "thirteen trillion, two hundred thirty-one billion, two hundred twenty million, thirteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 139 187 204 278 374 417 556 561 748 834 1122 1529 1668 2244 2363 3058 4587 4726 6116 7089 9174 9452 14178 18348 25993 28356 51986 77979 103972 155958 311916 42419177 84838354 127257531 169676708 254515062 466610947 509030124 721126009 933221894 1399832841 1442252018 1866443788 2163378027 2799665682 2884504036 4326756054 5599331364 5896265603 7932386099 8653512108 11792531206 15864772198 17688796809 23585062412 23797158297 31729544396 35377593618 47594316594 64858921633 70755187236 95188633188 100236515251 129717843266 194576764899 200473030502 259435686532 300709545753 389153529798 400946061004 601419091506 778307059596 1102601667761 1202838183012 2205203335522 3307805003283 4410406671044 6615610006566 13231220013132