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2830702512 = 2431119128069
BaseRepresentation
bin1010100010111001…
…0001011110110000
321022021110120211210
42220232101132300
521244124440022
61144515440120
7130101401001
oct25056213660
97267416753
102830702512
111222948770
1266bbb6040
133615b9c01
141cbd371a8
151187a1a0c
hexa8b917b0

2830702512 has 80 divisors (see below), whose sum is σ = 8019486720. Its totient is φ = 853267200.

The previous prime is 2830702507. The next prime is 2830702519. The reversal of 2830702512 is 2152070382.

It is a super-2 number, since 2×28307025122 = 16025753422886220288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2830702512.

It is not an unprimeable number, because it can be changed into a prime (2830702519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86814 + ... + 114882.

It is an arithmetic number, because the mean of its divisors is an integer number (100243584).

Almost surely, 22830702512 is an apocalyptic number.

2830702512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2830702512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4009743360).

2830702512 is an abundant number, since it is smaller than the sum of its proper divisors (5188784208).

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

2830702512 is a wasteful number, since it uses less digits than its factorization.

2830702512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28282 (or 28276 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2830702512 is about 53204.3467397167. The cubic root of 2830702512 is about 1414.5926919340.

Adding to 2830702512 its reverse (2152070382), we get a palindrome (4982772894).

It can be divided in two parts, 283070 and 2512, that added together give a palindrome (285582).

The spelling of 2830702512 in words is "two billion, eight hundred thirty million, seven hundred two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 191 264 382 528 573 764 1146 1528 2101 2292 3056 4202 4584 6303 8404 9168 12606 16808 25212 28069 33616 50424 56138 84207 100848 112276 168414 224552 308759 336828 449104 617518 673656 926277 1235036 1347312 1852554 2470072 3705108 4940144 5361179 7410216 10722358 14820432 16083537 21444716 32167074 42889432 58972969 64334148 85778864 117945938 128668296 176918907 235891876 257336592 353837814 471783752 707675628 943567504 1415351256 2830702512