Base | Representation |
---|---|
bin | 10011000001100100… |
… | …00010111000110010 |
3 | 222100210211000021001 |
4 | 21200302002320302 |
5 | 131404144310404 |
6 | 4405254152214 |
7 | 511050505633 |
oct | 114062027062 |
9 | 28323730231 |
10 | 10213666354 |
11 | 4371391781 |
12 | 1b9065266a |
13 | c6a04b078 |
14 | 6cc6a188a |
15 | 3eba167a4 |
hex | 260c82e32 |
10213666354 has 4 divisors (see below), whose sum is σ = 15320499534. Its totient is φ = 5106833176.
The previous prime is 10213666319. The next prime is 10213666357. The reversal of 10213666354 is 45366631201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45366631201 = 307 ⋅147774043.
It can be written as a sum of positive squares in only one way, i.e., 10064704329 + 148962025 = 100323^2 + 12205^2 .
It is not an unprimeable number, because it can be changed into a prime (10213666357) 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 as a sum of consecutive naturals, namely, 2553416587 + ... + 2553416590.
Almost surely, 210213666354 is an apocalyptic number.
10213666354 is a deficient number, since it is larger than the sum of its proper divisors (5106833180).
10213666354 is an equidigital number, since it uses as much as digits as its factorization.
10213666354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5106833179.
The product of its (nonzero) digits is 77760, while the sum is 37.
It can be divided in two parts, 102136 and 66354, that added together give a triangular number (168490 = T580).
The spelling of 10213666354 in words is "ten billion, two hundred thirteen million, six hundred sixty-six thousand, three hundred fifty-four".
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