Base | Representation |
---|---|
bin | 11000001010101111… |
… | …00101100010100010 |
3 | 1020111020200211012001 |
4 | 30011113211202202 |
5 | 203033043033132 |
6 | 5543254354214 |
7 | 636350301625 |
oct | 140527454242 |
9 | 36436624161 |
10 | 12974971042 |
11 | 555903a870 |
12 | 262135b96a |
13 | 12ba14a577 |
14 | 8b12d1dbc |
15 | 50e15ace7 |
hex | 3055e58a2 |
12974971042 has 16 divisors (see below), whose sum is σ = 21282458400. Its totient is φ = 5883634240.
The previous prime is 12974971033. The next prime is 12974971067. The reversal of 12974971042 is 24017947921.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12974970983 and 12974971001.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694567 + ... + 713002.
It is an arithmetic number, because the mean of its divisors is an integer number (1330153650).
Almost surely, 212974971042 is an apocalyptic number.
12974971042 is a deficient number, since it is larger than the sum of its proper divisors (8307487358).
12974971042 is a wasteful number, since it uses less digits than its factorization.
12974971042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1408001.
The product of its (nonzero) digits is 254016, while the sum is 46.
The spelling of 12974971042 in words is "twelve billion, nine hundred seventy-four million, nine hundred seventy-one thousand, forty-two".
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