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131404313433320 = 23523612972330143
BaseRepresentation
bin11101111000001011110011…
…011011001001010011101000
3122020021010111112111012101022
4131320023303123021103220
5114210412013214331240
61143250150324312012
736451435246014044
oct3570136333112350
9566233445435338
10131404313433320
1138962290258844
12128a3052842608
1358424b1a02a65
1424640075cb024
15102d1db2429b5
hex7782f36c94e8

131404313433320 has 64 divisors (see below), whose sum is σ = 308519640529920. Its totient is φ = 50275591179264.

The previous prime is 131404313433319. The next prime is 131404313433359. The reversal of 131404313433320 is 23334313404131.

It is a happy 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, 55228169 + ... + 57558311.

It is an arithmetic number, because the mean of its divisors is an integer number (4820619383280).

Almost surely, 2131404313433320 is an apocalyptic number.

131404313433320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131404313433320 is an abundant number, since it is smaller than the sum of its proper divisors (177115327096600).

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

131404313433320 is a wasteful number, since it uses less digits than its factorization.

131404313433320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391474 (or 2391470 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 131404313433320 its reverse (23334313404131), we get a palindrome (154738626837451).

The spelling of 131404313433320 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred thirteen million, four hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 61297 122594 245188 306485 490376 612970 1225940 1409831 2330143 2451880 2819662 4660286 5639324 7049155 9320572 11278648 11650715 14098310 18641144 23301430 28196620 46602860 53593289 56393240 93205720 107186578 214373156 267966445 428746312 535932890 1071865780 2143731560 142830775471 285661550942 571323101884 714153877355 1142646203768 1428307754710 2856615509420 3285107835833 5713231018840 6570215671666 13140431343332 16425539179165 26280862686664 32851078358330 65702156716660 131404313433320