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1001212485 = 35713733489
BaseRepresentation
bin111011101011010…
…100101001000101
32120202221212022220
4323223110221011
54022302244420
6243203242553
733545110560
oct7353245105
92522855286
101001212485
11474181839
1223b379459
1312c573030
1496d854d7
155cd70840
hex3bad4a45

1001212485 has 32 divisors (see below), whose sum is σ = 1971621120. Its totient is φ = 422489088.

The previous prime is 1001212469. The next prime is 1001212507. The reversal of 1001212485 is 5842121001.

It is not a de Polignac number, because 1001212485 - 24 = 1001212469 is a prime.

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, 365380 + ... + 368109.

It is an arithmetic number, because the mean of its divisors is an integer number (61613160).

Almost surely, 21001212485 is an apocalyptic number.

1001212485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001212485 is a deficient number, since it is larger than the sum of its proper divisors (970408635).

1001212485 is a wasteful number, since it uses less digits than its factorization.

1001212485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733517.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 1001212485 is about 31641.9418651890. The cubic root of 1001212485 is about 1000.4039984300.

Adding to 1001212485 its reverse (5842121001), we get a palindrome (6843333486).

The spelling of 1001212485 in words is "one billion, one million, two hundred twelve thousand, four hundred eighty-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 195 273 455 1365 733489 2200467 3667445 5134423 9535357 11002335 15403269 25672115 28606071 47676785 66747499 77016345 143030355 200242497 333737495 1001212485