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12350021412540 = 2235770941473643
BaseRepresentation
bin1011001110110111011010…
…1000111010011010111100
31121201122120020010011122110
42303231312220322122330
53104320320440200130
642133304351414020
72413155020642010
oct263556650723274
947648506104573
1012350021412540
113a31684139769
121475625224310
136b77a9847546
14309a5c226540
151663bbca3ab0
hexb3b76a3a6bc

12350021412540 has 96 divisors (see below), whose sum is σ = 39575810050560. Its totient is φ = 2818880499456.

The previous prime is 12350021412529. The next prime is 12350021412571. The reversal of 12350021412540 is 4521412005321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12350021412498 and 12350021412507.

It is a congruent number.

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, 20439042 + ... + 21034601.

It is an arithmetic number, because the mean of its divisors is an integer number (412248021360).

Almost surely, 212350021412540 is an apocalyptic number.

12350021412540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12350021412540 is an abundant number, since it is smaller than the sum of its proper divisors (27225788638020).

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

12350021412540 is a wasteful number, since it uses less digits than its factorization.

12350021412540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41474371 (or 41474369 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 12350021412540 its reverse (4521412005321), we get a palindrome (16871433417861).

The spelling of 12350021412540 in words is "twelve trillion, three hundred fifty billion, twenty-one million, four hundred twelve thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 709 1418 2127 2836 3545 4254 4963 7090 8508 9926 10635 14180 14889 19852 21270 24815 29778 42540 49630 59556 74445 99260 148890 297780 41473643 82947286 124420929 165894572 207368215 248841858 290315501 414736430 497683716 580631002 622104645 829472860 870946503 1161262004 1244209290 1451577505 1741893006 2488418580 2903155010 3483786012 4354732515 5806310020 8709465030 17418930060 29404812887 58809625774 88214438661 117619251548 147024064435 176428877322 205833690209 294048128870 352857754644 411667380418 441072193305 588096257740 617501070627 823334760836 882144386610 1029168451045 1235002141254 1764288773220 2058336902090 2470004282508 3087505353135 4116673804180 6175010706270 12350021412540