Base | Representation |
---|---|
bin | 11100011011010100… |
… | …001011011001001111 |
3 | 2220210012111100212000 |
4 | 130123110023121033 |
5 | 1000002344423310 |
6 | 22004434443343 |
7 | 2130250414500 |
oct | 343324133117 |
9 | 86705440760 |
10 | 30523045455 |
11 | 11a43510901 |
12 | 5aba133553 |
13 | 2b55858856 |
14 | 1697abcba7 |
15 | bd99e54c0 |
hex | 71b50b64f |
30523045455 has 48 divisors (see below), whose sum is σ = 63122502240. Its totient is φ = 13953389184.
The previous prime is 30523045451. The next prime is 30523045477. The reversal of 30523045455 is 55454032503.
30523045455 is a `hidden beast` number, since 30 + 52 + 30 + 4 + 545 + 5 = 666.
It is not a de Polignac number, because 30523045455 - 22 = 30523045451 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30523045451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2300494 + ... + 2313723.
It is an arithmetic number, because the mean of its divisors is an integer number (1315052130).
Almost surely, 230523045455 is an apocalyptic number.
30523045455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30523045455 is an abundant number, since it is smaller than the sum of its proper divisors (32599456785).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30523045455 is a wasteful number, since it uses less digits than its factorization.
30523045455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4614245 (or 4614232 counting only the distinct ones).
The product of its (nonzero) digits is 180000, while the sum is 36.
Adding to 30523045455 its reverse (55454032503), we get a palindrome (85977077958).
The spelling of 30523045455 in words is "thirty billion, five hundred twenty-three million, forty-five thousand, four hundred fifty-five".
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