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1442643462650 = 25213326948821
BaseRepresentation
bin10100111111100100010…
…000000100100111111010
312002220201022012011000102
4110333210100010213322
5142114013211301100
63022424040035402
7206141023051025
oct24774420044772
95086638164012
101442643462650
11506904696a05
121b3716462b62
13a606b539000
144db77cd01bc
15277d6c5ecd5
hex14fe44049fa

1442643462650 has 96 divisors (see below), whose sum is σ = 2917690599600. Its totient is φ = 530677305600.

The previous prime is 1442643462599. The next prime is 1442643462697. The reversal of 1442643462650 is 562643462441.

It can be written as a sum of positive squares in 24 ways, for example, as 1292548431409 + 150095031241 = 1136903^2 + 387421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1442643462595 and 1442643462604.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29525240 + ... + 29574060.

Almost surely, 21442643462650 is an apocalyptic number.

1442643462650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442643462650 is an abundant number, since it is smaller than the sum of its proper divisors (1475047136950).

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

1442643462650 is a wasteful number, since it uses less digits than its factorization.

1442643462650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49141 (or 49110 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 1442643462650 in words is "one trillion, four hundred forty-two billion, six hundred forty-three million, four hundred sixty-two thousand, six hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 169 269 325 338 538 650 845 1345 1690 2197 2690 3497 4225 4394 6725 6994 8450 10985 13450 17485 21970 34970 45461 48821 54925 87425 90922 97642 109850 174850 227305 244105 454610 488210 590993 634673 1136525 1181986 1220525 1269346 2273050 2441050 2954965 3173365 5909930 6346730 8250749 13132849 14774825 15866825 16501498 26265698 29549650 31733650 41253745 65664245 82507490 107259737 131328490 170727037 206268725 214519474 328321225 341454074 412537450 536298685 656642450 853635185 1072597370 1707270370 2219451481 2681493425 4268175925 4438902962 5362986850 8536351850 11097257405 22194514810 28852869253 55486287025 57705738506 110972574050 144264346265 288528692530 721321731325 1442643462650