Base | Representation |
---|---|
bin | 11011111100011101… |
… | …000011110100110111 |
3 | 2212110010020011020201 |
4 | 123330131003310313 |
5 | 442422322430210 |
6 | 21441221141331 |
7 | 2111362446412 |
oct | 337435036467 |
9 | 85403204221 |
10 | 30005280055 |
11 | 117a8220013 |
12 | 599485a847 |
13 | 2aa24c34aa |
14 | 1649020b79 |
15 | ba931d53a |
hex | 6fc743d37 |
30005280055 has 8 divisors (see below), whose sum is σ = 36979480512. Its totient is φ = 23355461088.
The previous prime is 30005280049. The next prime is 30005280061. The reversal of 30005280055 is 55008250003.
It is an interprime number because it is at equal distance from previous prime (30005280049) and next prime (30005280061).
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 30005280055 - 25 = 30005280023 is a prime.
It is a Duffinian number.
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, 81095167 + ... + 81095536.
It is an arithmetic number, because the mean of its divisors is an integer number (4622435064).
Almost surely, 230005280055 is an apocalyptic number.
30005280055 is a deficient number, since it is larger than the sum of its proper divisors (6974200457).
30005280055 is a wasteful number, since it uses less digits than its factorization.
30005280055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162190745.
The product of its (nonzero) digits is 6000, while the sum is 28.
The spelling of 30005280055 in words is "thirty billion, five million, two hundred eighty thousand, fifty-five".
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