Search a number
-
+
12772479419 = 74334213949
BaseRepresentation
bin10111110010100110…
…01001000110111011
31012222010200011220022
423321103021012323
5202124223320134
65511222321055
7631341166220
oct137123110673
935863604808
1012772479419
115464805917
12258558918b
13128720013b
14892461947
154eb4ad52e
hex2f94c91bb

12772479419 has 8 divisors (see below), whose sum is σ = 14630834400. Its totient is φ = 10922553216.

The previous prime is 12772479409. The next prime is 12772479427. The reversal of 12772479419 is 91497427721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12772479419 - 24 = 12772479403 is a prime.

It is a super-2 number, since 2×127724794192 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12772479409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103944 + ... + 2110005.

It is an arithmetic number, because the mean of its divisors is an integer number (1828854300).

Almost surely, 212772479419 is an apocalyptic number.

12772479419 is a deficient number, since it is larger than the sum of its proper divisors (1858354981).

12772479419 is an equidigital number, since it uses as much as digits as its factorization.

12772479419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214389.

The product of its digits is 1778112, while the sum is 53.

The spelling of 12772479419 in words is "twelve billion, seven hundred seventy-two million, four hundred seventy-nine thousand, four hundred nineteen".

Divisors: 1 7 433 3031 4213949 29497643 1824639917 12772479419