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2688130760704 = 214128092
BaseRepresentation
bin100111000111100001000…
…101000100000000000000
3100111222112110021102022121
4213013201011010000000
5323020242433320304
65414524335214024
7365132246314264
oct47074105040000
910458473242277
102688130760704
1194703680a304
12374b89677314
1316664999059c
149416b6940a4
1549dd0043554
hex271e1144000

2688130760704 has 45 divisors (see below), whose sum is σ = 5376517196197. Its totient is φ = 1343960449024.

The previous prime is 2688130760701. The next prime is 2688130760737. The reversal of 2688130760704 is 4070670318862.

The square root of 2688130760704 is 1639552.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 847224520704 + 1840906240000 = 920448^2 + 1356800^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2688130760701) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 209856252 + ... + 209869060.

Almost surely, 22688130760704 is an apocalyptic number.

2688130760704 is the 1639552-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2688130760704

2688130760704 is an abundant number, since it is smaller than the sum of its proper divisors (2688386435493).

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

2688130760704 is an frugal number, since it uses more digits than its factorization.

2688130760704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25646 (or 12811 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 2688130760704 in words is "two trillion, six hundred eighty-eight billion, one hundred thirty million, seven hundred sixty thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 12809 16384 25618 51236 102472 204944 409888 819776 1639552 3279104 6558208 13116416 26232832 52465664 104931328 164070481 209862656 328140962 656281924 1312563848 2625127696 5250255392 10500510784 21001021568 42002043136 84004086272 168008172544 336016345088 672032690176 1344065380352 2688130760704