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1001242340020 = 2251361718673343
BaseRepresentation
bin11101001000111101011…
…00011010101010110100
310112201101022002211121101
432210132230122222310
5112401021014340040
62043544150055444
7132223501316416
oct16443654325264
93481338084541
101001242340020
1135669622038a
1214206a04a584
1373555795990
14366634389b6
151b0a086709a
hexe91eb1aab4

1001242340020 has 96 divisors (see below), whose sum is σ = 2269911587328. Its totient is φ = 368782267392.

The previous prime is 1001242339949. The next prime is 1001242340047. The reversal of 1001242340020 is 200432421001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001242340020.

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, 299502469 + ... + 299505811.

It is an arithmetic number, because the mean of its divisors is an integer number (23644912368).

Almost surely, 21001242340020 is an apocalyptic number.

1001242340020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001242340020 is an abundant number, since it is smaller than the sum of its proper divisors (1268669247308).

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

1001242340020 is a wasteful number, since it uses less digits than its factorization.

1001242340020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849 (or 5847 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1001242340020 its reverse (200432421001), we get a palindrome (1201674761021).

The spelling of 1001242340020 in words is "one trillion, one billion, two hundred forty-two million, three hundred forty thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 617 1234 1867 2468 3085 3343 3734 6170 6686 7468 8021 9335 12340 13372 16042 16715 18670 24271 32084 33430 37340 40105 43459 48542 66860 80210 86918 97084 121355 160420 173836 217295 242710 434590 485420 869180 1151939 2062631 2303878 4125262 4607756 5759695 6241381 8250524 10313155 11519390 12482762 14975207 20626310 23038780 24965524 26814203 29950414 31206905 41252620 53628406 59900828 62413810 74876035 81137953 107256812 124827620 134071015 149752070 162275906 268142030 299504140 324551812 405689765 536284060 811379530 1622759060 3850932077 7701864154 15403728308 19254660385 38509320770 50062117001 77018641540 100124234002 200248468004 250310585005 500621170010 1001242340020