Base | Representation |
---|---|
bin | 10001110000100000011… |
… | …010001000000111110010 |
3 | 11022122211210220011211022 |
4 | 101300200122020013302 |
5 | 124443200443310421 |
6 | 2332334341215442 |
7 | 154110346345166 |
oct | 21604032100762 |
9 | 4278753804738 |
10 | 1220314431986 |
11 | 430594757561 |
12 | 178608a01582 |
13 | 8b0c9174370 |
14 | 430c649cca6 |
15 | 21b233667ab |
hex | 11c206881f2 |
1220314431986 has 32 divisors (see below), whose sum is σ = 1979445843648. Its totient is φ = 560888856000.
The previous prime is 1220314431979. The next prime is 1220314432061. The reversal of 1220314431986 is 6891344130221.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58808465 + ... + 58829211.
It is an arithmetic number, because the mean of its divisors is an integer number (61857682614).
Almost surely, 21220314431986 is an apocalyptic number.
1220314431986 is a deficient number, since it is larger than the sum of its proper divisors (759131411662).
1220314431986 is a wasteful number, since it uses less digits than its factorization.
1220314431986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30026.
The product of its (nonzero) digits is 248832, while the sum is 44.
The spelling of 1220314431986 in words is "one trillion, two hundred twenty billion, three hundred fourteen million, four hundred thirty-one thousand, nine hundred eighty-six".
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