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13082030714281 = 2921247212
BaseRepresentation
bin1011111001011110010111…
…0010110010110110101001
31201022122000012202120120111
42332113211302302312221
53203313444330324111
643453445115254321
72520100626226654
oct276274562626651
951278005676514
1013082030714281
114194070321541
12157347574a3a1
1373b82672c6c9
1433326077289b
1517a461083a21
hexbe5e5cb2da9

13082030714281 has 9 divisors (see below), whose sum is σ = 13548799182373. Its totient is φ = 12630824933440.

The previous prime is 13082030714267. The next prime is 13082030714287. The reversal of 13082030714281 is 18241703028031.

The square root of 13082030714281 is 3616909.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5132676022681 + 7949354691600 = 2265541^2 + 2819460^2 .

It is not a de Polignac number, because 13082030714281 - 27 = 13082030714153 is a prime.

It is a super-2 number, since 2×130820307142812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13082030714287) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 104828001 + ... + 104952721.

Almost surely, 213082030714281 is an apocalyptic number.

13082030714281 is the 3616909-th square number.

13082030714281 is the 1808455-th centered octagonal number.

It is an amenable number.

13082030714281 is a deficient number, since it is larger than the sum of its proper divisors (466768468092).

13082030714281 is an frugal number, since it uses more digits than its factorization.

13082030714281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249500 (or 124750 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 13082030714281 in words is "thirteen trillion, eighty-two billion, thirty million, seven hundred fourteen thousand, two hundred eighty-one".

Divisors: 1 29 841 124721 3616909 104890361 15555327841 451104507389 13082030714281