Base | Representation |
---|---|
bin | 1101110000011001110011… |
… | …01111101000001110001011 |
3 | 10222002220122000121020022100 |
4 | 12320030321233220032023 |
5 | 12431110331400440210 |
6 | 144200504102524443 |
7 | 6241343456536425 |
oct | 670147157501613 |
9 | 128086560536270 |
10 | 30250423452555 |
11 | 9703150459499 |
12 | 3486899736723 |
13 | 13b57ab161487 |
14 | 7681b2109815 |
15 | 376d39d8a5c0 |
hex | 1b8339be838b |
30250423452555 has 48 divisors (see below), whose sum is σ = 54727806422016. Its totient is φ = 15428152196160.
The previous prime is 30250423452553. The next prime is 30250423452583. The reversal of 30250423452555 is 55525432405203.
30250423452555 is a `hidden beast` number, since 3 + 0 + 2 + 5 + 0 + 42 + 3 + 4 + 52 + 555 = 666.
It is not a de Polignac number, because 30250423452555 - 21 = 30250423452553 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 30250423452555.
It is not an unprimeable number, because it can be changed into a prime (30250423452551) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 311314 + ... + 7784456.
It is an arithmetic number, because the mean of its divisors is an integer number (1140162633792).
Almost surely, 230250423452555 is an apocalyptic number.
30250423452555 is a deficient number, since it is larger than the sum of its proper divisors (24477382969461).
30250423452555 is a wasteful number, since it uses less digits than its factorization.
30250423452555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7477088 (or 7477085 counting only the distinct ones).
The product of its (nonzero) digits is 3600000, while the sum is 45.
Adding to 30250423452555 its reverse (55525432405203), we get a palindrome (85775855857758).
The spelling of 30250423452555 in words is "thirty trillion, two hundred fifty billion, four hundred twenty-three million, four hundred fifty-two thousand, five hundred fifty-five".
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