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26938714325 = 521289835957
BaseRepresentation
bin11001000101101011…
…000010100011010101
32120112101221110220012
4121011223002203111
5420132302324300
620213034050005
71642365202505
oct310553024325
976471843805
1026938714325
1110474224876
125279879905
1327040a3663
141437a4ba05
15a79ecb435
hex645ac28d5

26938714325 has 12 divisors (see below), whose sum is σ = 33429960420. Its totient is φ = 21534226560.

The previous prime is 26938714291. The next prime is 26938714331. The reversal of 26938714325 is 52341783962.

It can be written as a sum of positive squares in 6 ways, for example, as 116791249 + 26821923076 = 10807^2 + 163774^2 .

It is not a de Polignac number, because 26938714325 - 218 = 26938452181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385754 + ... + 450203.

It is an arithmetic number, because the mean of its divisors is an integer number (2785830035).

Almost surely, 226938714325 is an apocalyptic number.

26938714325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26938714325 is a deficient number, since it is larger than the sum of its proper divisors (6491246095).

26938714325 is a wasteful number, since it uses less digits than its factorization.

26938714325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837256 (or 837251 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The spelling of 26938714325 in words is "twenty-six billion, nine hundred thirty-eight million, seven hundred fourteen thousand, three hundred twenty-five".

Divisors: 1 5 25 1289 6445 32225 835957 4179785 20898925 1077548573 5387742865 26938714325