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6780034880 = 26546032
BaseRepresentation
bin1100101000001111…
…10001111101000000
3122111111211110100222
412110013301331000
5102341142104010
63040435402212
7330005226353
oct62407617500
918444743328
106780034880
11296a175613
121392753368
1384087b378
1448465c29a
1529a369355
hex1941f1f40

6780034880 has 42 divisors (see below), whose sum is σ = 16148466306. Its totient is φ = 2711424768.

The previous prime is 6780034853. The next prime is 6780034897. The reversal of 6780034880 is 884300876.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5424027904 + 1356006976 = 73648^2 + 36824^2 .

It is a super-2 number, since 2×67800348802 = 91937745948033228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1470659 + ... + 1475261.

It is an arithmetic number, because the mean of its divisors is an integer number (384487293).

Almost surely, 26780034880 is an apocalyptic number.

It is an amenable number.

6780034880 is an abundant number, since it is smaller than the sum of its proper divisors (9368431426).

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

6780034880 is an frugal number, since it uses more digits than its factorization.

6780034880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9223 (or 4610 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 6780034880 is about 82340.9672034523. The cubic root of 6780034880 is about 1892.6805073683.

The spelling of 6780034880 in words is "six billion, seven hundred eighty million, thirty-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 4603 9206 18412 23015 36824 46030 73648 92060 147296 184120 294592 368240 736480 1472960 21187609 42375218 84750436 105938045 169500872 211876090 339001744 423752180 678003488 847504360 1356006976 1695008720 3390017440 6780034880