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12421404110024 = 23713291035712209
BaseRepresentation
bin1011010011000001010101…
…1000010010110011001000
31121222110211000020220212222
42310300111120102303020
53112003013423010044
642230151514353212
72421262654601450
oct264602530226310
947873730226788
1012421404110024
113a59984881928
12148742712b808
136c1444592c90
1430d2b0728d60
1516819898c8ee
hexb4c15612cc8

12421404110024 has 128 divisors (see below), whose sum is σ = 29941119936000. Its totient is φ = 4698451021824.

The previous prime is 12421404109981. The next prime is 12421404110029. The reversal of 12421404110024 is 42001140412421.

It is a super-2 number, since 2×124214041100242 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 12421404109975 and 12421404110002.

It is not an unprimeable number, because it can be changed into a prime (12421404110029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681569 + ... + 5030640.

It is an arithmetic number, because the mean of its divisors is an integer number (233914999500).

Almost surely, 212421404110024 is an apocalyptic number.

12421404110024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12421404110024 is an abundant number, since it is smaller than the sum of its proper divisors (17519715825976).

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

12421404110024 is a wasteful number, since it uses less digits than its factorization.

12421404110024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712367 (or 5712363 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 12421404110024 its reverse (42001140412421), we get a palindrome (54422544522445).

The spelling of 12421404110024 in words is "twelve trillion, four hundred twenty-one billion, four hundred four million, one hundred ten thousand, twenty-four".

Divisors: 1 2 4 7 8 13 14 26 28 29 52 56 58 91 103 104 116 182 203 206 232 364 377 406 412 721 728 754 812 824 1339 1442 1508 1624 2639 2678 2884 2987 3016 5278 5356 5768 5974 9373 10556 10712 11948 18746 20909 21112 23896 37492 38831 41818 74984 77662 83636 155324 167272 271817 310648 543634 1087268 2174536 5712209 11424418 22848836 39985463 45697672 74258717 79970926 148517434 159941852 165654061 297034868 319883704 331308122 519811019 588357527 594069736 662616244 1039622038 1159578427 1176715054 1325232488 2079244076 2153502793 2319156854 2353430108 4118502689 4158488152 4307005586 4638313708 4706860216 7648647851 8237005378 8614011172 9276627416 15074519551 15297295702 16474010756 17062368283 17228022344 30149039102 30594591404 32948021512 34124736566 53540534957 60298078204 61189182808 68249473132 107081069914 119436577981 120596156408 136498946264 214162139828 221810787679 238873155962 428324279656 443621575358 477746311924 887243150716 955492623848 1552675513753 1774486301432 3105351027506 6210702055012 12421404110024