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530847759649 = 19231212372
BaseRepresentation
bin1111011100110001111…
…11011111110100100001
31212202012200201021020011
413232120333133310201
532144134011302044
61043511301444521
753231621335564
oct7563077376441
91782180637204
10530847759649
111951497a2939
1286a6ba10741
133b09c0484ac
141b99c0aa4db
15dc1ddba134
hex7b98fdfd21

530847759649 has 27 divisors (see below), whose sum is σ = 579381804531. Its totient is φ = 486292111920.

The previous prime is 530847759643. The next prime is 530847759683. The reversal of 530847759649 is 946957748035.

The square root of 530847759649 is 728593.

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

It can be written as a sum of positive squares in only one way, i.e., 400910580625 + 129937179024 = 633175^2 + 360468^2 .

It is not a de Polignac number, because 530847759649 - 27 = 530847759521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530847759643) 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, 429140659 + ... + 429141895.

It is an arithmetic number, because the mean of its divisors is an integer number (21458585353).

Almost surely, 2530847759649 is an apocalyptic number.

530847759649 is the 728593-rd square number.

530847759649 is the 364297-th centered octagonal number.

It is an amenable number.

530847759649 is a deficient number, since it is larger than the sum of its proper divisors (48534044882).

530847759649 is an frugal number, since it uses more digits than its factorization.

530847759649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574 (or 1287 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 67.

It can be divided in two parts, 530847 and 759649, that added together give a square (1290496 = 11362).

The spelling of 530847759649 in words is "five hundred thirty billion, eight hundred forty-seven million, seven hundred fifty-nine thousand, six hundred forty-nine".

Divisors: 1 19 31 361 589 961 1237 11191 18259 23503 38347 346921 446557 728593 1188757 1530169 13843267 22586383 29073211 47435239 429141277 552391009 901269541 1470492409 17124121279 27939355771 530847759649