Base | Representation |
---|---|
bin | 1000010011010011100… |
… | …0111001001010100111 |
3 | 111122010112001012001111 |
4 | 2010310320321022213 |
5 | 4314042020001330 |
6 | 145304100205451 |
7 | 13206200424133 |
oct | 2046470711247 |
9 | 448115035044 |
10 | 142621250215 |
11 | 55537a83234 |
12 | 23783699887 |
13 | 105ab965422 |
14 | 6c8d8023c3 |
15 | 3a9aded32a |
hex | 2134e392a7 |
142621250215 has 8 divisors (see below), whose sum is σ = 171156901968. Its totient is φ = 114089399040.
The previous prime is 142621250203. The next prime is 142621250257. The reversal of 142621250215 is 512052126241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142621250215 - 27 = 142621250087 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 866922 + ... + 1018231.
It is an arithmetic number, because the mean of its divisors is an integer number (21394612746).
Almost surely, 2142621250215 is an apocalyptic number.
142621250215 is a deficient number, since it is larger than the sum of its proper divisors (28535651753).
142621250215 is a wasteful number, since it uses less digits than its factorization.
142621250215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1900289.
The product of its (nonzero) digits is 9600, while the sum is 31.
Adding to 142621250215 its reverse (512052126241), we get a palindrome (654673376456).
The spelling of 142621250215 in words is "one hundred forty-two billion, six hundred twenty-one million, two hundred fifty thousand, two hundred fifteen".
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