Base | Representation |
---|---|
bin | 11101111101001110111… |
… | …11011100001010111100 |
3 | 10122101211012010111021101 |
4 | 32332213133130022330 |
5 | 113331010122030133 |
6 | 2104505053542444 |
7 | 134236123006036 |
oct | 16764737341274 |
9 | 3571735114241 |
10 | 1029307220668 |
11 | 367588101621 |
12 | 1475a0aa4a24 |
13 | 760a8c7c02c |
14 | 37b66876c56 |
15 | 1bb9464737d |
hex | efa77dc2bc |
1029307220668 has 24 divisors (see below), whose sum is σ = 1849283971920. Its totient is φ = 501088623360.
The previous prime is 1029307220659. The next prime is 1029307220677. The reversal of 1029307220668 is 8660227039201.
It is an interprime number because it is at equal distance from previous prime (1029307220659) and next prime (1029307220677).
It is a congruent number.
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, 18503613 + ... + 18559156.
It is an arithmetic number, because the mean of its divisors is an integer number (77053498830).
Almost surely, 21029307220668 is an apocalyptic number.
It is an amenable number.
1029307220668 is a deficient number, since it is larger than the sum of its proper divisors (819976751252).
1029307220668 is a wasteful number, since it uses less digits than its factorization.
1029307220668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37062957 (or 37062955 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 46.
The spelling of 1029307220668 in words is "one trillion, twenty-nine billion, three hundred seven million, two hundred twenty thousand, six hundred sixty-eight".
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