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47328056852521 = 1923620812
BaseRepresentation
bin10101100001011011011000…
…00001000100000000101001
320012120111222122201210120211
422300231230001010000221
522200410330023240041
6244354113102421121
712653224240411264
oct1260555401040051
9205514878653524
1047328056852521
1114097797287235
1253845b25917a1
13205402a656b73
14b98993ba1cdb
155711a0d21481
hex2b0b6c044029

47328056852521 has 9 divisors (see below), whose sum is σ = 49950247816983. Its totient is φ = 44836982660160.

The previous prime is 47328056852507. The next prime is 47328056852543. The reversal of 47328056852521 is 12525865082374.

It is a happy number.

The square root of 47328056852521 is 6879539.

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., 36973562586921 + 10354494265600 = 6080589^2 + 3217840^2 .

It is not a de Polignac number, because 47328056852521 - 233 = 47319466917929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47328056852821) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 130530201 + ... + 130892281.

Almost surely, 247328056852521 is an apocalyptic number.

47328056852521 is the 6879539-th square number.

47328056852521 is the 3439770-th centered octagonal number.

It is an amenable number.

47328056852521 is a deficient number, since it is larger than the sum of its proper divisors (2622190964462).

47328056852521 is an frugal number, since it uses more digits than its factorization.

47328056852521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724200 (or 362100 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 58.

The spelling of 47328056852521 in words is "forty-seven trillion, three hundred twenty-eight billion, fifty-six million, eight hundred fifty-two thousand, five hundred twenty-one".

Divisors: 1 19 361 362081 6879539 130711241 131102650561 2490950360659 47328056852521