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5271221095397 = 173975297147449
BaseRepresentation
bin100110010110100110101…
…0000101100101111100101
3200122220221110110022202122
41030231031100230233211
51142330430100023042
615113322053515325
71052555526014525
oct114551520545745
920586843408678
105271221095397
11175256a984884
12711721342b45
132c30c67ca12a
141431b2701685
15921b35ac7d2
hex4cb4d42cbe5

5271221095397 has 16 divisors (see below), whose sum is σ = 5596445876400. Its totient is φ = 4947684876288.

The previous prime is 5271221095381. The next prime is 5271221095409. The reversal of 5271221095397 is 7935901221725.

It is a Cunningham number, because it is equal to 22959142+1.

It can be written as a sum of positive squares in 8 ways, for example, as 3502982596 + 5267718112801 = 59186^2 + 2295151^2 .

It is a cyclic number.

It is not a de Polignac number, because 5271221095397 - 24 = 5271221095381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271221095337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35675729 + ... + 35823177.

It is an arithmetic number, because the mean of its divisors is an integer number (349777867275).

Almost surely, 25271221095397 is an apocalyptic number.

It is an amenable number.

5271221095397 is a deficient number, since it is larger than the sum of its proper divisors (325224781003).

5271221095397 is a wasteful number, since it uses less digits than its factorization.

5271221095397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153160.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 5271221095397 in words is "five trillion, two hundred seventy-one billion, two hundred twenty-one million, ninety-five thousand, three hundred ninety-seven".

Divisors: 1 17 397 5297 6749 90049 147449 2102909 2506633 35749453 58537253 781037353 995133301 13277635001 310071829141 5271221095397