Base | Representation |
---|---|
bin | 101111100001111011… |
… | …0011011000100000011 |
3 | 100202110102211212120120 |
4 | 1133003312123010003 |
5 | 3133014414242210 |
6 | 114520151511323 |
7 | 10242251202354 |
oct | 1370366330403 |
9 | 322412755516 |
10 | 102070071555 |
11 | 3a318992541 |
12 | 17947088543 |
13 | 981864c05a |
14 | 4d23d59d2b |
15 | 29c5d3e270 |
hex | 17c3d9b103 |
102070071555 has 8 divisors (see below), whose sum is σ = 163312114512. Its totient is φ = 54437371488.
The previous prime is 102070071553. The next prime is 102070071559. The reversal of 102070071555 is 555170070201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102070071555 - 21 = 102070071553 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102070071553) 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, 3402335704 + ... + 3402335733.
It is an arithmetic number, because the mean of its divisors is an integer number (20414014314).
Almost surely, 2102070071555 is an apocalyptic number.
102070071555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
102070071555 is a deficient number, since it is larger than the sum of its proper divisors (61242042957).
102070071555 is an equidigital number, since it uses as much as digits as its factorization.
102070071555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6804671445.
The product of its (nonzero) digits is 12250, while the sum is 33.
The spelling of 102070071555 in words is "one hundred two billion, seventy million, seventy-one thousand, five hundred fifty-five".
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