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12421403024244 = 2231760889230511
BaseRepresentation
bin1011010011000001010101…
…0100001001101101110100
31121222110210221012202110220
42310300111110021231310
53112003013133233434
642230151435214340
72421262642430064
oct264602524115564
947873727182426
1012421403024244
113a59984200095
1214874268a73b0
136c14442a29c6
1430d2b05253a4
15168198825d49
hexb4c15509b74

12421403024244 has 24 divisors (see below), whose sum is σ = 30688172178048. Its totient is φ = 3896910752640.

The previous prime is 12421403024237. The next prime is 12421403024281. The reversal of 12421403024244 is 44242030412421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30444615052 + ... + 30444615459.

It is an arithmetic number, because the mean of its divisors is an integer number (1278673840752).

Almost surely, 212421403024244 is an apocalyptic number.

It is an amenable number.

12421403024244 is an abundant number, since it is smaller than the sum of its proper divisors (18266769153804).

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

12421403024244 is a wasteful number, since it uses less digits than its factorization.

12421403024244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60889230535 (or 60889230533 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 12421403024244 its reverse (44242030412421), we get a palindrome (56663433436665).

The spelling of 12421403024244 in words is "twelve trillion, four hundred twenty-one billion, four hundred three million, twenty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 60889230511 121778461022 182667691533 243556922044 365335383066 730670766132 1035116918687 2070233837374 3105350756061 4140467674748 6210701512122 12421403024244