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4728075121 = 72112192472
BaseRepresentation
bin1000110011101000…
…01011001101110001
3110012111201002202101
410121310023031301
534140341400441
62101055020401
7225110655400
oct43164131561
913174632671
104728075121
112006969900
12abb50a701
135a47108b3
1432bd19637
151ca141231
hex119d0b371

4728075121 has 81 divisors (see below), whose sum is σ = 6519030777. Its totient is φ = 3416046480.

The previous prime is 4728075119. The next prime is 4728075133. The reversal of 4728075121 is 1215708274.

The square root of 4728075121 is 68761.

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

It is not a de Polignac number, because 4728075121 - 21 = 4728075119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4728075101) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 100597320 + ... + 100597366.

Almost surely, 24728075121 is an apocalyptic number.

4728075121 is the 68761-st square number.

4728075121 is the 34381-st centered octagonal number.

It is an amenable number.

4728075121 is a deficient number, since it is larger than the sum of its proper divisors (1790955656).

4728075121 is a wasteful number, since it uses less digits than its factorization.

4728075121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The cubic root of 4728075121 is about 1678.3973663319.

The spelling of 4728075121 in words is "four billion, seven hundred twenty-eight million, seventy-five thousand, one hundred twenty-one".

Divisors: 1 7 11 19 47 49 77 121 133 209 329 361 517 539 847 893 931 1463 2209 2299 2303 2527 3619 3971 5687 5929 6251 9823 10241 15463 16093 16967 17689 24299 25333 27797 39809 41971 43681 43757 68761 108053 108241 112651 118769 170093 186637 194579 267289 278663 293797 305767 461681 481327 756371 797449 831383 1190651 1306459 1871023 2053007 2056579 2140369 3231767 5078491 5294597 5582143 8771939 9145213 13097161 14371049 22622369 35549437 39075001 61403573 96491329 100597343 248846059 429825011 675439303 4728075121