Base | Representation |
---|---|
bin | 111100011011011101… |
… | …0000111100001011000 |
3 | 110101221220120101210122 |
4 | 1320312322013201120 |
5 | 4111232134124304 |
6 | 135340550132412 |
7 | 12242553462422 |
oct | 1706672074130 |
9 | 411856511718 |
10 | 129770223704 |
11 | 500429a9870 |
12 | 21197951108 |
13 | c3113c3324 |
14 | 63d0b75812 |
15 | 3597ac69be |
hex | 1e36e87858 |
129770223704 has 32 divisors (see below), whose sum is σ = 265573985040. Its totient is φ = 58956489600.
The previous prime is 129770223701. The next prime is 129770223749. The reversal of 129770223704 is 407322077921.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129770223701) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 200087 + ... + 547334.
Almost surely, 2129770223704 is an apocalyptic number.
It is an amenable number.
129770223704 is an abundant number, since it is smaller than the sum of its proper divisors (135803761336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129770223704 is a wasteful number, since it uses less digits than its factorization.
129770223704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 749411 (or 749407 counting only the distinct ones).
The product of its (nonzero) digits is 296352, while the sum is 44.
The spelling of 129770223704 in words is "one hundred twenty-nine billion, seven hundred seventy million, two hundred twenty-three thousand, seven hundred four".
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