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131224203214120 = 23512799337274711
BaseRepresentation
bin11101110101100100000100…
…000001001011110100101000
3122012121220121100100001211001
4131311210010001023310220
5114144434132010322440
61143031322225244344
736432431041300132
oct3565440401136450
9565556540301731
10131224203214120
11388a2965785315
12128741681936b4
13582b50a2aa463
1424593dcd00052
151028699016b9a
hex77590404bd28

131224203214120 has 64 divisors (see below), whose sum is σ = 295518027571200. Its totient is φ = 52442833466880.

The previous prime is 131224203214099. The next prime is 131224203214141. The reversal of 131224203214120 is 21412302422131.

It is an interprime number because it is at equal distance from previous prime (131224203214099) and next prime (131224203214141).

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, 477543565 + ... + 477818275.

It is an arithmetic number, because the mean of its divisors is an integer number (4617469180800).

Almost surely, 2131224203214120 is an apocalyptic number.

131224203214120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131224203214120 is an abundant number, since it is smaller than the sum of its proper divisors (164293824357080).

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

131224203214120 is a wasteful number, since it uses less digits than its factorization.

131224203214120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285338 (or 285334 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131224203214120 its reverse (21412302422131), we get a palindrome (152636505636251).

The spelling of 131224203214120 in words is "one hundred thirty-one trillion, two hundred twenty-four billion, two hundred three million, two hundred fourteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1279 2558 5116 6395 9337 10232 12790 18674 25580 37348 46685 51160 74696 93370 186740 274711 373480 549422 1098844 1373555 2197688 2747110 5494220 10988440 11942023 23884046 47768092 59710115 95536184 119420230 238840460 351355369 477680920 702710738 1405421476 1756776845 2564976607 2810842952 3513553690 5129953214 7027107380 10259906428 12824883035 14054214760 20519812856 25649766070 51299532140 102599064280 3280605080353 6561210160706 13122420321412 16403025401765 26244840642824 32806050803530 65612101607060 131224203214120