Base | Representation |
---|---|
bin | 1001000100001000000… |
… | …0011011001110011011 |
3 | 112212221211101011021222 |
4 | 2101002000123032123 |
5 | 10022411403333202 |
6 | 155312321322255 |
7 | 14152020055415 |
oct | 2210200331633 |
9 | 485854334258 |
10 | 155726230427 |
11 | 60052440899 |
12 | 2622049638b |
13 | 118b9a026a1 |
14 | 77740979b5 |
15 | 40b668a4a2 |
hex | 244201b39b |
155726230427 has 8 divisors (see below), whose sum is σ = 157060644720. Its totient is φ = 154394874720.
The previous prime is 155726230423. The next prime is 155726230447. The reversal of 155726230427 is 724032627551.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 155726230427 - 22 = 155726230423 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (155726230423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662324 + ... + 866097.
It is an arithmetic number, because the mean of its divisors is an integer number (19632580590).
Almost surely, 2155726230427 is an apocalyptic number.
155726230427 is a deficient number, since it is larger than the sum of its proper divisors (1334414293).
155726230427 is a wasteful number, since it uses less digits than its factorization.
155726230427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1529293.
The product of its (nonzero) digits is 705600, while the sum is 44.
Adding to 155726230427 its reverse (724032627551), we get a palindrome (879758857978).
The spelling of 155726230427 in words is "one hundred fifty-five billion, seven hundred twenty-six million, two hundred thirty thousand, four hundred twenty-seven".
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