Search a number
-
+
18300826035181 = 1277391359714341
BaseRepresentation
bin1000010100100111111100…
…01111000010001111101101
32101210112122000212121200101
410022103332033002033231
54344320042431111211
6102531141115031101
73566122346436064
oct412237617021755
971715560777611
1018300826035181
115916378216a58
1220769a573b491
13a299b6a485a1
14473a9c4d51db
1521b0a6d335c1
hex10a4fe3c23ed

18300826035181 has 16 divisors (see below), whose sum is σ = 18472532715520. Its totient is φ = 18129557920320.

The previous prime is 18300826035179. The next prime is 18300826035203. The reversal of 18300826035181 is 18153062800381.

It is a cyclic number.

It is not a de Polignac number, because 18300826035181 - 21 = 18300826035179 is a prime.

It is a super-2 number, since 2×183008260351812 (a number of 27 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 (18300826035131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1276112071 + ... + 1276126411.

It is an arithmetic number, because the mean of its divisors is an integer number (1154533294720).

Almost surely, 218300826035181 is an apocalyptic number.

It is an amenable number.

18300826035181 is a deficient number, since it is larger than the sum of its proper divisors (171706680339).

18300826035181 is a wasteful number, since it uses less digits than its factorization.

18300826035181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28804.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 18300826035181 in words is "eighteen trillion, three hundred billion, eight hundred twenty-six million, thirty-five thousand, one hundred eighty-one".

Divisors: 1 127 739 13597 14341 93853 1726819 1821307 10048183 10597999 194994577 1276119241 1345945873 24764311279 144100992403 18300826035181