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1240245304146 = 232571393130697
BaseRepresentation
bin10010000011000100011…
…000010111101101010010
311101120021211100101111200
4102003010120113231102
5130310010244213041
62345432201052030
7155414302100202
oct22030430275522
94346254311450
101240245304146
11438a92160832
1218044b787016
138cc54427444
144405750c402
15223dceca1b6
hex120c4617b52

1240245304146 has 48 divisors (see below), whose sum is σ = 2692676789088. Its totient is φ = 412572657600.

The previous prime is 1240245304037. The next prime is 1240245304201. The reversal of 1240245304146 is 6414035420421.

1240245304146 is a `hidden beast` number, since 1 + 2 + 40 + 2 + 4 + 530 + 41 + 46 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1240245304146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40387470 + ... + 40418166.

It is an arithmetic number, because the mean of its divisors is an integer number (56097433106).

Almost surely, 21240245304146 is an apocalyptic number.

1240245304146 is an abundant number, since it is smaller than the sum of its proper divisors (1452431484942).

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

1240245304146 is a wasteful number, since it uses less digits than its factorization.

1240245304146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35207 (or 35204 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 1240245304146 in words is "one trillion, two hundred forty billion, two hundred forty-five million, three hundred four thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 571 1142 1713 3426 3931 5139 7862 10278 11793 23586 30697 35379 61394 70758 92091 184182 276273 552546 2244601 4489202 6733803 13467606 17527987 20201409 35055974 40402818 52583961 105167922 120669907 157751883 241339814 315503766 362009721 724019442 1086029163 2172058326 68902516897 137805033794 206707550691 413415101382 620122652073 1240245304146