Base | Representation |
---|---|
bin | 10111001110110010… |
… | …01100111101001010 |
3 | 1012012012102012211112 |
4 | 23213121030331022 |
5 | 201020323000104 |
6 | 5421331530322 |
7 | 621032625614 |
oct | 134731147512 |
9 | 35165365745 |
10 | 12472078154 |
11 | 5320187a08 |
12 | 2500a599a2 |
13 | 1239bc1803 |
14 | 8645c5db4 |
15 | 4cee2086e |
hex | 2e764cf4a |
12472078154 has 8 divisors (see below), whose sum is σ = 19692755040. Its totient is φ = 5907826476.
The previous prime is 12472078133. The next prime is 12472078247. The reversal of 12472078154 is 45187027421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 164106254 + ... + 164106329.
It is an arithmetic number, because the mean of its divisors is an integer number (2461594380).
Almost surely, 212472078154 is an apocalyptic number.
12472078154 is a deficient number, since it is larger than the sum of its proper divisors (7220676886).
12472078154 is a wasteful number, since it uses less digits than its factorization.
12472078154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328212604.
The product of its (nonzero) digits is 125440, while the sum is 41.
The spelling of 12472078154 in words is "twelve billion, four hundred seventy-two million, seventy-eight thousand, one hundred fifty-four".
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