Base | Representation |
---|---|
bin | 10111011100011100111011… |
… | …11110101101010011100110 |
3 | 20202112121211112220201222210 |
4 | 23232032131332231103212 |
5 | 23224134413041242202 |
6 | 301352034455104250 |
7 | 13600510334201445 |
oct | 1356163576552346 |
9 | 222477745821883 |
10 | 51555142915302 |
11 | 15477460154954 |
12 | 5947895072086 |
13 | 229c824226140 |
14 | ca33d4628d5c |
15 | 5e6103135c6c |
hex | 2ee39dfad4e6 |
51555142915302 has 32 divisors (see below), whose sum is σ = 117573719592672. Its totient is φ = 14929996137984.
The previous prime is 51555142915271. The next prime is 51555142915337. The reversal of 51555142915302 is 20351924155515.
It is a super-2 number, since 2×515551429153022 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19440097813 + ... + 19440100464.
It is an arithmetic number, because the mean of its divisors is an integer number (3674178737271).
Almost surely, 251555142915302 is an apocalyptic number.
51555142915302 is an abundant number, since it is smaller than the sum of its proper divisors (66018576677370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51555142915302 is a wasteful number, since it uses less digits than its factorization.
51555142915302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38880198312.
The product of its (nonzero) digits is 1350000, while the sum is 48.
The spelling of 51555142915302 in words is "fifty-one trillion, five hundred fifty-five billion, one hundred forty-two million, nine hundred fifteen thousand, three hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •