Base | Representation |
---|---|
bin | 11011111100100001… |
… | …101110100001111111 |
3 | 2212110012112022120101 |
4 | 123330201232201333 |
5 | 442423131103201 |
6 | 21441303301531 |
7 | 2111406033433 |
oct | 337441564177 |
9 | 85405468511 |
10 | 30006503551 |
11 | 117a8986272 |
12 | 599514a8a7 |
13 | 2aa283135b |
14 | 164925c9c3 |
15 | ba94b0d01 |
hex | 6fc86e87f |
30006503551 has 8 divisors (see below), whose sum is σ = 31046580000. Its totient is φ = 28966785120.
The previous prime is 30006503543. The next prime is 30006503557. The reversal of 30006503551 is 15530560003.
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 30006503551 - 23 = 30006503543 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30006503557) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86950 + ... + 259948.
It is an arithmetic number, because the mean of its divisors is an integer number (3880822500).
Almost surely, 230006503551 is an apocalyptic number.
30006503551 is a deficient number, since it is larger than the sum of its proper divisors (1040076449).
30006503551 is a wasteful number, since it uses less digits than its factorization.
30006503551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179009.
The product of its (nonzero) digits is 6750, while the sum is 28.
The spelling of 30006503551 in words is "thirty billion, six million, five hundred three thousand, five hundred fifty-one".
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