Base | Representation |
---|---|
bin | 10010111001111111… |
… | …101010101101011010 |
3 | 1221101202200022222022 |
4 | 102321333222231122 |
5 | 313033342003104 |
6 | 13154214454442 |
7 | 1316030035556 |
oct | 227177525532 |
9 | 57352608868 |
10 | 20300344154 |
11 | 8678019032 |
12 | 3b26664422 |
13 | 1bb699627c |
14 | da8148866 |
15 | 7dc2e6bbe |
hex | 4b9feab5a |
20300344154 has 8 divisors (see below), whose sum is σ = 32053175040. Its totient is φ = 9615952476.
The previous prime is 20300344151. The next prime is 20300344171. The reversal of 20300344154 is 45144300302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20300344151) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267109754 + ... + 267109829.
It is an arithmetic number, because the mean of its divisors is an integer number (4006646880).
Almost surely, 220300344154 is an apocalyptic number.
20300344154 is a deficient number, since it is larger than the sum of its proper divisors (11752830886).
20300344154 is a wasteful number, since it uses less digits than its factorization.
20300344154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 534219604.
The product of its (nonzero) digits is 5760, while the sum is 26.
Adding to 20300344154 its reverse (45144300302), we get a palindrome (65444644456).
The spelling of 20300344154 in words is "twenty billion, three hundred million, three hundred forty-four thousand, one hundred fifty-four".
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