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2730186672 = 24317291131021
BaseRepresentation
bin1010001010111011…
…0101011110110000
321001021022212000220
42202232311132300
521042411433142
61130525213040
7124441126623
oct24256653660
97037285026
102730186672
111181134724
12642401180
13346825695
141bc84ddba
1510ea492ec
hexa2bb57b0

2730186672 has 160 divisors (see below), whose sum is σ = 7801375680. Its totient is φ = 818872320.

The previous prime is 2730186671. The next prime is 2730186677. The reversal of 2730186672 is 2766810372.

It is not an unprimeable number, because it can be changed into a prime (2730186671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2673522 + ... + 2674542.

It is an arithmetic number, because the mean of its divisors is an integer number (48758598).

Almost surely, 22730186672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2730186672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3900687840).

2730186672 is an abundant number, since it is smaller than the sum of its proper divisors (5071189008).

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

2730186672 is a wasteful number, since it uses less digits than its factorization.

2730186672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 2730186672 is about 52251.1882352928. The cubic root of 2730186672 is about 1397.6468415204.

The spelling of 2730186672 in words is "two billion, seven hundred thirty million, one hundred eighty-six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 29 34 48 51 58 68 87 102 113 116 136 174 204 226 232 272 339 348 408 452 464 493 678 696 816 904 986 1021 1356 1392 1479 1808 1921 1972 2042 2712 2958 3063 3277 3842 3944 4084 5424 5763 5916 6126 6554 7684 7888 8168 9831 11526 11832 12252 13108 15368 16336 17357 19662 23052 23664 24504 26216 29609 30736 34714 39324 46104 49008 52071 52432 55709 59218 69428 78648 88827 92208 104142 111418 115373 118436 138856 157296 167127 177654 208284 222836 230746 236872 277712 334254 346119 355308 416568 445672 461492 473744 503353 668508 692238 710616 833136 891344 922984 1006706 1337016 1384476 1421232 1510059 1845968 1961341 2013412 2674032 2768952 3020118 3345817 3922682 4026824 5537904 5884023 6040236 6691634 7845364 8053648 10037451 11768046 12080472 13383268 15690728 20074902 23536092 24160944 26766536 31381456 40149804 47072184 53533072 56878889 80299608 94144368 113757778 160599216 170636667 227515556 341273334 455031112 682546668 910062224 1365093336 2730186672