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7834842030 = 2351393175927
BaseRepresentation
bin1110100101111111…
…00011001110101110
3202020000122012202110
413102333203032232
5112021204421110
63333235504450
7365104026021
oct72277431656
922200565673
107834842030
113360622864
121627a58126
1397b267a02
145447951b8
1530cc74a20
hex1d2fe33ae

7834842030 has 64 divisors (see below), whose sum is σ = 19001848320. Its totient is φ = 2067368064.

The previous prime is 7834842023. The next prime is 7834842079. The reversal of 7834842030 is 302484387.

It is a super-2 number, since 2×78348420302 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7834842030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1318927 + ... + 1324853.

It is an arithmetic number, because the mean of its divisors is an integer number (296903880).

Almost surely, 27834842030 is an apocalyptic number.

7834842030 is an abundant number, since it is smaller than the sum of its proper divisors (11167006290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7834842030 is a wasteful number, since it uses less digits than its factorization.

7834842030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 7834842030 is about 88514.6430258858. The cubic root of 7834842030 is about 1986.1410220240.

The spelling of 7834842030 in words is "seven billion, eight hundred thirty-four million, eight hundred forty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 139 278 317 417 634 695 834 951 1390 1585 1902 2085 3170 4170 4755 5927 9510 11854 17781 29635 35562 44063 59270 88126 88905 132189 177810 220315 264378 440630 660945 823853 1321890 1647706 1878859 2471559 3757718 4119265 4943118 5636577 8238530 9394295 11273154 12357795 18788590 24715590 28182885 56365770 261161401 522322802 783484203 1305807005 1566968406 2611614010 3917421015 7834842030