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1313321233120 = 255134713434137
BaseRepresentation
bin10011000111001000000…
…010111010101011100000
311122112220121121012200121
4103013020002322223200
5133004140213424440
62443155331530024
7163612216201621
oct23071002725340
94575817535617
101313321233120
11466a81663866
12192644759914
1396acbbbc6c0
14477ca853a48
152426867c34a
hex131c80baae0

1313321233120 has 96 divisors (see below), whose sum is σ = 3412485998208. Its totient is φ = 474601156608.

The previous prime is 1313321233109. The next prime is 1313321233123. The reversal of 1313321233120 is 213321233131.

It is a super-2 number, since 2×13133212331202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313321233123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6619309 + ... + 6814828.

It is an arithmetic number, because the mean of its divisors is an integer number (35546729148).

Almost surely, 21313321233120 is an apocalyptic number.

1313321233120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313321233120 is an abundant number, since it is smaller than the sum of its proper divisors (2099164765088).

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

1313321233120 is a wasteful number, since it uses less digits than its factorization.

1313321233120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13434212 (or 13434204 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1313321233120 its reverse (213321233131), we get a palindrome (1526642466251).

The spelling of 1313321233120 in words is "one trillion, three hundred thirteen billion, three hundred twenty-one million, two hundred thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 47 52 65 80 94 104 130 160 188 208 235 260 376 416 470 520 611 752 940 1040 1222 1504 1880 2080 2444 3055 3760 4888 6110 7520 9776 12220 19552 24440 48880 97760 13434137 26868274 53736548 67170685 107473096 134341370 174643781 214946192 268682740 349287562 429892384 537365480 631404439 698575124 873218905 1074730960 1262808878 1397150248 1746437810 2149461920 2525617756 2794300496 3157022195 3492875620 5051235512 5588600992 6314044390 6985751240 8208257707 10102471024 12628088780 13971502480 16416515414 20204942048 25256177560 27943004960 32833030828 41041288535 50512355120 65666061656 82082577070 101024710240 131332123312 164165154140 262664246624 328330308280 656660616560 1313321233120