Base | Representation |
---|---|
bin | 1000110010100100001… |
… | …1000000101000001101 |
3 | 112102210022200100210010 |
4 | 2030221003000220031 |
5 | 4433233200311341 |
6 | 153212454103433 |
7 | 13624142105046 |
oct | 2145103005015 |
9 | 472708610703 |
10 | 151012510221 |
11 | 59053697061 |
12 | 2532594ab79 |
13 | 11318279931 |
14 | 74480378cd |
15 | 3ddc932716 |
hex | 23290c0a0d |
151012510221 has 8 divisors (see below), whose sum is σ = 204355237984. Its totient is φ = 99172394640.
The previous prime is 151012510193. The next prime is 151012510309. The reversal of 151012510221 is 122015210151.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 151012510221 - 217 = 151012379149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151012514221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375652810 + ... + 375653211.
It is an arithmetic number, because the mean of its divisors is an integer number (25544404748).
Almost surely, 2151012510221 is an apocalyptic number.
It is an amenable number.
151012510221 is a deficient number, since it is larger than the sum of its proper divisors (53342727763).
151012510221 is an equidigital number, since it uses as much as digits as its factorization.
151012510221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 751306091.
The product of its (nonzero) digits is 200, while the sum is 21.
Adding to 151012510221 its reverse (122015210151), we get a palindrome (273027720372).
The spelling of 151012510221 in words is "one hundred fifty-one billion, twelve million, five hundred ten thousand, two hundred twenty-one".
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