Base | Representation |
---|---|
bin | 11100011011000101… |
… | …010010101011110011 |
3 | 2220202221011002220101 |
4 | 130123011102223303 |
5 | 1000000400040110 |
6 | 22004215053231 |
7 | 2130202302514 |
oct | 343305225363 |
9 | 86687132811 |
10 | 30519143155 |
11 | 11a41295a66 |
12 | 5ab8971217 |
13 | 2b54ac05b7 |
14 | 1697384a0b |
15 | bd94c413a |
hex | 71b152af3 |
30519143155 has 8 divisors (see below), whose sum is σ = 38777264352. Its totient is φ = 22979119488.
The previous prime is 30519143131. The next prime is 30519143173. The reversal of 30519143155 is 55134191503.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30519143155 - 213 = 30519134963 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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, 179524287 + ... + 179524456.
It is an arithmetic number, because the mean of its divisors is an integer number (4847158044).
Almost surely, 230519143155 is an apocalyptic number.
30519143155 is a deficient number, since it is larger than the sum of its proper divisors (8258121197).
30519143155 is a wasteful number, since it uses less digits than its factorization.
30519143155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 359048765.
The product of its (nonzero) digits is 40500, while the sum is 37.
The spelling of 30519143155 in words is "thirty billion, five hundred nineteen million, one hundred forty-three thousand, one hundred fifty-five".
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