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27047584830 = 2357612111443
BaseRepresentation
bin11001001100001010…
…010110010000111110
32120210222210200011010
4121030022112100332
5420343140203310
620231523340050
71645156451310
oct311412262076
976728720133
1027047584830
111051a7248a2
1252aa221626
132720801886
1414482ab7b0
15a84834320
hex64c29643e

27047584830 has 64 divisors (see below), whose sum is σ = 75403888128. Its totient is φ = 6080952960.

The previous prime is 27047584813. The next prime is 27047584849. The reversal of 27047584830 is 3848574072.

It is a super-2 number, since 2×270475848302 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27047584830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1042912 + ... + 1068531.

It is an arithmetic number, because the mean of its divisors is an integer number (1178185752).

Almost surely, 227047584830 is an apocalyptic number.

27047584830 is an abundant number, since it is smaller than the sum of its proper divisors (48356303298).

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

27047584830 is a wasteful number, since it uses less digits than its factorization.

27047584830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111521.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 27047584830 in words is "twenty-seven billion, forty-seven million, five hundred eighty-four thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 61 70 105 122 183 210 305 366 427 610 854 915 1281 1830 2135 2562 4270 6405 12810 2111443 4222886 6334329 10557215 12668658 14780101 21114430 29560202 31671645 44340303 63343290 73900505 88680606 128798023 147801010 221701515 257596046 386394069 443403030 643990115 772788138 901586161 1287980230 1803172322 1931970345 2704758483 3863940690 4507930805 5409516966 9015861610 13523792415 27047584830