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26939420083513 = 723471697933643
BaseRepresentation
bin1100010000000010100101…
…00100001000010100111001
310112101101100111121212102101
412020001102210020110321
512012333413020133023
6133143444305503401
75450210641342600
oct610012244102471
9115341314555371
1026939420083513
118646a423674a3
123031059341b61
1312054b7c98a22
14691c369a4a37
1531ab51e801ad
hex188052908539

26939420083513 has 24 divisors (see below), whose sum is σ = 31446556528032. Its totient is φ = 23010794682624.

The previous prime is 26939420083501. The next prime is 26939420083549. The reversal of 26939420083513 is 31538002493962.

It is not a de Polignac number, because 26939420083513 - 233 = 26930830148921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26939420083313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28387270 + ... + 29320912.

It is an arithmetic number, because the mean of its divisors is an integer number (1310273188668).

Almost surely, 226939420083513 is an apocalyptic number.

It is an amenable number.

26939420083513 is a deficient number, since it is larger than the sum of its proper divisors (4507136444519).

26939420083513 is a wasteful number, since it uses less digits than its factorization.

26939420083513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935701 (or 935694 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 26939420083513 in words is "twenty-six trillion, nine hundred thirty-nine billion, four hundred twenty million, eighty-three thousand, five hundred thirteen".

Divisors: 1 7 49 347 1697 2429 11879 17003 83153 588859 933643 4122013 6535501 28854091 45748507 323974121 1584392171 2267818847 11090745197 15874731929 77635216379 549784083337 3848488583359 26939420083513