Base | Representation |
---|---|
bin | 11100100101010100… |
… | …001111101110001111 |
3 | 2221012220012222022022 |
4 | 130211110033232033 |
5 | 1000323323212333 |
6 | 22033231040355 |
7 | 2134355540030 |
oct | 344524175617 |
9 | 87186188268 |
10 | 30690835343 |
11 | 1201a1a3933 |
12 | 5b463700bb |
13 | 2b81545bcc |
14 | 16b20b8a87 |
15 | be95dac98 |
hex | 72550fb8f |
30690835343 has 32 divisors (see below), whose sum is σ = 36528537600. Its totient is φ = 25229264256.
The previous prime is 30690835321. The next prime is 30690835393. The reversal of 30690835343 is 34353809603.
It is a Cunningham number, because it is equal to 1751882-1.
It is not a de Polignac number, because 30690835343 - 220 = 30689786767 is a prime.
It is a super-2 number, since 2×306908353432 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30690835294 and 30690835303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30690835303) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35562530 + ... + 35563392.
It is an arithmetic number, because the mean of its divisors is an integer number (1141516800).
Almost surely, 230690835343 is an apocalyptic number.
30690835343 is a deficient number, since it is larger than the sum of its proper divisors (5837702257).
30690835343 is a wasteful number, since it uses less digits than its factorization.
30690835343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1871.
The product of its (nonzero) digits is 699840, while the sum is 44.
The spelling of 30690835343 in words is "thirty billion, six hundred ninety million, eight hundred thirty-five thousand, three hundred forty-three".
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