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1305424103240 = 235374718766879
BaseRepresentation
bin10010111111110001010…
…101110000011101001000
311121210112020202110001202
4102333301111300131020
5132342002032300430
62435411545003332
7163212424536425
oct22776125603510
94553466673052
101305424103240
11463699968244
12190bbba83548
1396140a8659a
144727bac6d4c
1523e55201d45
hex12ff1570748

1305424103240 has 64 divisors (see below), whose sum is σ = 3080771020800. Its totient is φ = 497247199488.

The previous prime is 1305424103239. The next prime is 1305424103257. The reversal of 1305424103240 is 423014245031.

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, 9313880 + ... + 9452999.

It is an arithmetic number, because the mean of its divisors is an integer number (48137047200).

Almost surely, 21305424103240 is an apocalyptic number.

1305424103240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1305424103240 is an abundant number, since it is smaller than the sum of its proper divisors (1775346917560).

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

1305424103240 is a wasteful number, since it uses less digits than its factorization.

1305424103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18766974 (or 18766970 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1305424103240 its reverse (423014245031), we get a palindrome (1728438348271).

The spelling of 1305424103240 in words is "one trillion, three hundred five billion, four hundred twenty-four million, one hundred three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 37 40 47 74 94 148 185 188 235 296 370 376 470 740 940 1480 1739 1880 3478 6956 8695 13912 17390 34780 69560 18766879 37533758 75067516 93834395 150135032 187668790 375337580 694374523 750675160 882043313 1388749046 1764086626 2777498092 3471872615 3528173252 4410216565 5554996184 6943745230 7056346504 8820433130 13887490460 17640866260 27774980920 32635602581 35281732520 65271205162 130542410324 163178012905 261084820648 326356025810 652712051620 1305424103240