Base | Representation |
---|---|
bin | 10111010110010110100100… |
… | …00000010011010110110111 |
3 | 20201210120212112002222000122 |
4 | 23223023102000103112313 |
5 | 23212221202430213111 |
6 | 301111454204202155 |
7 | 13546410620613254 |
oct | 1353132200232667 |
9 | 221716775088018 |
10 | 51345562351031 |
11 | 153a6592409a43 |
12 | 5913144b3935b |
13 | 2285b340a4730 |
14 | c971d1da842b |
15 | 5e0938a55cdb |
hex | 2eb2d20135b7 |
51345562351031 has 8 divisors (see below), whose sum is σ = 55295633443344. Its totient is φ = 47395550180160.
The previous prime is 51345562351021. The next prime is 51345562351033. The reversal of 51345562351031 is 13015326554315.
51345562351031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 51345562351031 - 230 = 51344488609207 is a prime.
It is a super-2 number, since 2×513455623510312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51345562351033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12912161 + ... + 16413866.
It is an arithmetic number, because the mean of its divisors is an integer number (6911954180418).
Almost surely, 251345562351031 is an apocalyptic number.
51345562351031 is a deficient number, since it is larger than the sum of its proper divisors (3950071092313).
51345562351031 is a wasteful number, since it uses less digits than its factorization.
51345562351031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29460721.
The product of its (nonzero) digits is 810000, while the sum is 44.
The spelling of 51345562351031 in words is "fifty-one trillion, three hundred forty-five billion, five hundred sixty-two million, three hundred fifty-one thousand, thirty-one".
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