Base | Representation |
---|---|
bin | 11100000011111001… |
… | …000110001110101101 |
3 | 2212202211001011111000 |
4 | 130003321012032231 |
5 | 443201244223240 |
6 | 21501435550513 |
7 | 2114436241656 |
oct | 340371061655 |
9 | 85684034430 |
10 | 30130070445 |
11 | 11861703972 |
12 | 5a0a5bb439 |
13 | 2ac2306967 |
14 | 165b82652d |
15 | bb526d430 |
hex | 703e463ad |
30130070445 has 32 divisors (see below), whose sum is σ = 56715431040. Its totient is φ = 15124112640.
The previous prime is 30130070407. The next prime is 30130070471. The reversal of 30130070445 is 54407003103.
It is not a de Polignac number, because 30130070445 - 28 = 30130070189 is a prime.
It is a super-2 number, since 2×301300704452 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6561991 + ... + 6566580.
It is an arithmetic number, because the mean of its divisors is an integer number (1772357220).
Almost surely, 230130070445 is an apocalyptic number.
It is an amenable number.
30130070445 is a deficient number, since it is larger than the sum of its proper divisors (26585360595).
30130070445 is a wasteful number, since it uses less digits than its factorization.
30130070445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13128602 (or 13128596 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
Adding to 30130070445 its reverse (54407003103), we get a palindrome (84537073548).
The spelling of 30130070445 in words is "thirty billion, one hundred thirty million, seventy thousand, four hundred forty-five".
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