Base | Representation |
---|---|
bin | 11011111101011000… |
… | …001111100100001011 |
3 | 2212111012102101020210 |
4 | 123331120033210023 |
5 | 442440310412020 |
6 | 21442533452203 |
7 | 2111641354416 |
oct | 337530174413 |
9 | 85435371223 |
10 | 30020794635 |
11 | 11805a57387 |
12 | 5999aa1063 |
13 | 2aa5796110 |
14 | 164b0dcb7d |
15 | baa8853e0 |
hex | 6fd60f90b |
30020794635 has 32 divisors (see below), whose sum is σ = 53511877440. Its totient is φ = 14269828608.
The previous prime is 30020794619. The next prime is 30020794663. The reversal of 30020794635 is 53649702003.
It is not a de Polignac number, because 30020794635 - 24 = 30020794619 is a prime.
It is a super-2 number, since 2×300207946352 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 30020794593 and 30020794602.
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, 2648704 + ... + 2660013.
It is an arithmetic number, because the mean of its divisors is an integer number (1672246170).
Almost surely, 230020794635 is an apocalyptic number.
30020794635 is a deficient number, since it is larger than the sum of its proper divisors (23491082805).
30020794635 is a wasteful number, since it uses less digits than its factorization.
30020794635 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5308767.
The product of its (nonzero) digits is 136080, while the sum is 39.
The spelling of 30020794635 in words is "thirty billion, twenty million, seven hundred ninety-four thousand, six hundred thirty-five".
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