Base | Representation |
---|---|
bin | 101111110101000000… |
… | …010001100100101001 |
3 | 11220120000201220201112 |
4 | 233311000101210221 |
5 | 1320133403131103 |
6 | 35331530400105 |
7 | 3465425255345 |
oct | 576500214451 |
9 | 156500656645 |
10 | 51355130153 |
11 | 1a8636a5428 |
12 | 9b52890035 |
13 | 4ac573b1a2 |
14 | 26b26c2625 |
15 | 1508824cd8 |
hex | bf5011929 |
51355130153 has 32 divisors (see below), whose sum is σ = 59423932800. Its totient is φ = 44052857856.
The previous prime is 51355130149. The next prime is 51355130159. The reversal of 51355130153 is 35103155315.
It is a happy number.
It is not a de Polignac number, because 51355130153 - 22 = 51355130149 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51355130159) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2641175 + ... + 2660547.
It is an arithmetic number, because the mean of its divisors is an integer number (1856997900).
Almost surely, 251355130153 is an apocalyptic number.
It is an amenable number.
51355130153 is a deficient number, since it is larger than the sum of its proper divisors (8068802647).
51355130153 is a wasteful number, since it uses less digits than its factorization.
51355130153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19721.
The product of its (nonzero) digits is 16875, while the sum is 32.
Adding to 51355130153 its reverse (35103155315), we get a palindrome (86458285468).
The spelling of 51355130153 in words is "fifty-one billion, three hundred fifty-five million, one hundred thirty thousand, one hundred fifty-three".
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