Search a number
-
+
12711055331 = 13977773487
BaseRepresentation
bin10111101011010001…
…10100111111100011
31012210212002111220002
423311220310333203
5202013012232311
65501150010215
7626664121232
oct136550647743
935725074802
1012711055331
115433072007
122568aa696b
131277574c20
14888232b19
154e5dc893b
hex2f5a34fe3

12711055331 has 4 divisors (see below), whose sum is σ = 13688828832. Its totient is φ = 11733281832.

The previous prime is 12711055327. The next prime is 12711055391. The reversal of 12711055331 is 13355011721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12711055331 - 22 = 12711055327 is a prime.

It is a super-3 number, since 3×127110553313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12711055294 and 12711055303.

It is not an unprimeable number, because it can be changed into a prime (12711055391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488886731 + ... + 488886756.

It is an arithmetic number, because the mean of its divisors is an integer number (3422207208).

Almost surely, 212711055331 is an apocalyptic number.

12711055331 is a deficient number, since it is larger than the sum of its proper divisors (977773501).

12711055331 is an equidigital number, since it uses as much as digits as its factorization.

12711055331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977773500.

The product of its (nonzero) digits is 3150, while the sum is 29.

The spelling of 12711055331 in words is "twelve billion, seven hundred eleven million, fifty-five thousand, three hundred thirty-one".

Divisors: 1 13 977773487 12711055331