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730128556801 = 7195489688397
BaseRepresentation
bin10101001111111110000…
…11011010001100000001
32120210120220200122220001
422213333003122030001
543430300402304201
61315225540520001
7103515160222360
oct12477703321401
92523526618801
10730128556801
11261711599316
12b96066b0001
1353b0a363947
14274a48557d7
1513ed4127301
hexa9ff0da301

730128556801 has 8 divisors (see below), whose sum is σ = 878350143680. Its totient is φ = 592886346768.

The previous prime is 730128556799. The next prime is 730128556811. The reversal of 730128556801 is 108655821037.

730128556801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 730128556801 - 21 = 730128556799 is a prime.

It is a super-2 number, since 2×7301285568012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730128556811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744844066 + ... + 2744844331.

It is an arithmetic number, because the mean of its divisors is an integer number (109793767960).

Almost surely, 2730128556801 is an apocalyptic number.

It is an amenable number.

730128556801 is a deficient number, since it is larger than the sum of its proper divisors (148221586879).

730128556801 is a wasteful number, since it uses less digits than its factorization.

730128556801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489688423.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 730128556801 in words is "seven hundred thirty billion, one hundred twenty-eight million, five hundred fifty-six thousand, eight hundred one".

Divisors: 1 7 19 133 5489688397 38427818779 104304079543 730128556801