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2805030032830 = 259710597272887
BaseRepresentation
bin101000110100011000110…
…100011001010110111110
3100221011021100212201210221
4220310120310121112332
5331424200142022310
65544340224251554
7406441154610604
oct50643064312676
910834240781727
102805030032830
11991674365703
12393772a70bba
1317468965651c
1499a9ac93874
154ce72ba9ada
hex28d18d195be

2805030032830 has 32 divisors (see below), whose sum is σ = 5101606230336. Its totient is φ = 1110336021504.

The previous prime is 2805030032797. The next prime is 2805030032873. The reversal of 2805030032830 is 382300305082.

It is a happy number.

2805030032830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10142647 + ... + 10415533.

It is an arithmetic number, because the mean of its divisors is an integer number (159425194698).

Almost surely, 22805030032830 is an apocalyptic number.

2805030032830 is a deficient number, since it is larger than the sum of its proper divisors (2296576197506).

2805030032830 is a wasteful number, since it uses less digits than its factorization.

2805030032830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283588.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 2805030032830 in words is "two trillion, eight hundred five billion, thirty million, thirty-two thousand, eight hundred thirty".

Divisors: 1 2 5 10 97 194 485 970 10597 21194 52985 105970 272887 545774 1027909 1364435 2055818 2728870 5139545 10279090 26470039 52940078 132350195 264700390 2891783539 5783567078 14458917695 28917835390 280503003283 561006006566 1402515016415 2805030032830