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27047669678680 = 2357109886227709
BaseRepresentation
bin1100010011001100001101…
…01111100100001001011000
310112202201202121100001202211
412021212012233210021120
512021122111414204210
6133305310010204504
75461062316616140
oct611460657441130
9115681677301684
1027047669678680
118688941447542
12304a029a23734
13121277994b911
14697185501920
1531d88a56938a
hex189986be4258

27047669678680 has 64 divisors (see below), whose sum is σ = 70189234632000. Its totient is φ = 9188408876544.

The previous prime is 27047669678677. The next prime is 27047669678713. The reversal of 27047669678680 is 8687696674072.

It is a super-4 number, since 4×270476696786804 (a number of 55 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27047669678597 and 27047669678606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443083335 + ... + 443144374.

It is an arithmetic number, because the mean of its divisors is an integer number (1096706791125).

Almost surely, 227047669678680 is an apocalyptic number.

27047669678680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27047669678680 is an abundant number, since it is smaller than the sum of its proper divisors (43141564953320).

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

27047669678680 is a wasteful number, since it uses less digits than its factorization.

27047669678680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886227836 (or 886227832 counting only the distinct ones).

The product of its (nonzero) digits is 2048385024, while the sum is 76.

The spelling of 27047669678680 in words is "twenty-seven trillion, forty-seven billion, six hundred sixty-nine million, six hundred seventy-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 109 140 218 280 436 545 763 872 1090 1526 2180 3052 3815 4360 6104 7630 15260 30520 886227709 1772455418 3544910836 4431138545 6203593963 7089821672 8862277090 12407187926 17724554180 24814375852 31017969815 35449108360 49628751704 62035939630 96598820281 124071879260 193197640562 248143758520 386395281124 482994101405 676191741967 772790562248 965988202810 1352383483934 1931976405620 2704766967868 3380958709835 3863952811240 5409533935736 6761917419670 13523834839340 27047669678680