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12406532105 = 511225573311
BaseRepresentation
bin10111000110111110…
…01010100000001001
31012000122002010120002
423203133022200021
5200402033011410
65411031012345
7616305532352
oct134337124011
935018063502
1012406532105
115297189220
1224a2b0a0b5
131229452376
14859a02d29
154c92c47a5
hex2e37ca809

12406532105 has 8 divisors (see below), whose sum is σ = 16241278464. Its totient is φ = 9022932400.

The previous prime is 12406532101. The next prime is 12406532113. The reversal of 12406532105 is 50123560421.

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

It is not a de Polignac number, because 12406532105 - 22 = 12406532101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12406532101) 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, 112786601 + ... + 112786710.

It is an arithmetic number, because the mean of its divisors is an integer number (2030159808).

Almost surely, 212406532105 is an apocalyptic number.

It is an amenable number.

12406532105 is a deficient number, since it is larger than the sum of its proper divisors (3834746359).

12406532105 is a wasteful number, since it uses less digits than its factorization.

12406532105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225573327.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 12406532105 in words is "twelve billion, four hundred six million, five hundred thirty-two thousand, one hundred five".

Divisors: 1 5 11 55 225573311 1127866555 2481306421 12406532105