Base | Representation |
---|---|
bin | 11100110011001001… |
… | …100010100010011111 |
3 | 2221211001220120200121 |
4 | 130303021202202133 |
5 | 1001312231103410 |
6 | 22112241135411 |
7 | 2143204253065 |
oct | 346311424237 |
9 | 87731816617 |
10 | 30922909855 |
11 | 121291a3952 |
12 | 5bb002a567 |
13 | 2bba6504c6 |
14 | 16d4c4a035 |
15 | c0eb7d9da |
hex | 73326289f |
30922909855 has 4 divisors (see below), whose sum is σ = 37107491832. Its totient is φ = 24738327880.
The previous prime is 30922909753. The next prime is 30922909861. The reversal of 30922909855 is 55890922903.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55890922903 = 191 ⋅292622633.
It is not a de Polignac number, because 30922909855 - 215 = 30922877087 is a prime.
It is a super-2 number, since 2×309229098552 (a number of 22 digits) contains 22 as substring.
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 3 ways as a sum of consecutive naturals, for example, 3092290981 + ... + 3092290990.
It is an arithmetic number, because the mean of its divisors is an integer number (9276872958).
Almost surely, 230922909855 is an apocalyptic number.
30922909855 is a deficient number, since it is larger than the sum of its proper divisors (6184581977).
30922909855 is an equidigital number, since it uses as much as digits as its factorization.
30922909855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6184581976.
The product of its (nonzero) digits is 1749600, while the sum is 52.
The spelling of 30922909855 in words is "thirty billion, nine hundred twenty-two million, nine hundred nine thousand, eight hundred fifty-five".
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