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12386208673 = 52141115783
BaseRepresentation
bin10111000100100011…
…01000101110100001
31011222012211121001101
423202101220232201
5200331332134143
65405023234401
7615641015356
oct134221505641
934865747041
1012386208673
1152867679a3
122498148a01
131225187977
1485703262d
154c760cb4d
hex2e2468ba1

12386208673 has 8 divisors (see below), whose sum is σ = 12415147776. Its totient is φ = 12357290400.

The previous prime is 12386208649. The next prime is 12386208683. The reversal of 12386208673 is 37680268321.

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 12386208673 - 29 = 12386208161 is a prime.

It is a super-2 number, since 2×123862086732 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12386208683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138940 + ... + 2144722.

It is an arithmetic number, because the mean of its divisors is an integer number (1551893472).

Almost surely, 212386208673 is an apocalyptic number.

It is an amenable number.

12386208673 is a deficient number, since it is larger than the sum of its proper divisors (28939103).

12386208673 is an equidigital number, since it uses as much as digits as its factorization.

12386208673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 12386208673 in words is "twelve billion, three hundred eighty-six million, two hundred eight thousand, six hundred seventy-three".

Divisors: 1 521 4111 5783 2141831 3012943 23773913 12386208673