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471703855249 = 11229221532
BaseRepresentation
bin1101101110100111011…
…11011010000010010001
31200002112212000121212101
412313103233122002101
530212022141331444
61000410414400401
746036155420454
oct6672357320221
91602485017771
10471703855249
11172059590100
1277504800101
1335634a81c63
1418b8b1c549b
15c40b8c03d4
hex6dd3bda091

471703855249 has 27 divisors (see below), whose sum is σ = 537229210609. Its totient is φ = 413842425920.

The previous prime is 471703855247. The next prime is 471703855261. The reversal of 471703855249 is 942558307174.

The square root of 471703855249 is 686807.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 102851697025 + 368852158224 = 320705^2 + 607332^2 .

It is not a de Polignac number, because 471703855249 - 21 = 471703855247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 471703855249.

It is not an unprimeable number, because it can be changed into a prime (471703855247) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 219090357 + ... + 219092509.

Almost surely, 2471703855249 is an apocalyptic number.

471703855249 is the 686807-th square number.

471703855249 is the 343404-th centered octagonal number.

It is an amenable number.

471703855249 is a deficient number, since it is larger than the sum of its proper divisors (65525355360).

471703855249 is an frugal number, since it uses more digits than its factorization.

471703855249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386 (or 2193 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 471703855249 in words is "four hundred seventy-one billion, seven hundred three million, eight hundred fifty-five thousand, two hundred forty-nine".

Divisors: 1 11 29 121 319 841 2153 3509 9251 23683 62437 101761 260513 686807 1810673 4635409 7554877 19917403 50989499 134426861 219091433 560884489 1478695471 3898378969 16265650181 42882168659 471703855249