Base | Representation |
---|---|
bin | 10110010111001000… |
… | …01011000101000111 |
3 | 1010222122212221110000 |
4 | 23023210023011013 |
5 | 144041312121012 |
6 | 5303132532343 |
7 | 603333306534 |
oct | 131344130507 |
9 | 33878787400 |
10 | 12005192007 |
11 | 5100688496 |
12 | 23b06210b3 |
13 | 1194261b13 |
14 | 81c5add8b |
15 | 4a3e48ddc |
hex | 2cb90b147 |
12005192007 has 10 divisors (see below), whose sum is σ = 17933682008. Its totient is φ = 8003461284.
The previous prime is 12005191993. The next prime is 12005192027. The reversal of 12005192007 is 70029150021.
12005192007 is a `hidden beast` number, since 120 + 0 + 519 + 20 + 0 + 7 = 666.
It is not a de Polignac number, because 12005192007 - 27 = 12005191879 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12005192027) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 74106043 + ... + 74106204.
Almost surely, 212005192007 is an apocalyptic number.
12005192007 is a deficient number, since it is larger than the sum of its proper divisors (5928490001).
12005192007 is an equidigital number, since it uses as much as digits as its factorization.
12005192007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148212259 (or 148212250 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 27.
The spelling of 12005192007 in words is "twelve billion, five million, one hundred ninety-two thousand, seven".
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