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2130120124145 = 51363015200933
BaseRepresentation
bin11110111111110101000…
…011011010011011110001
321112122012201211000221022
4132333311003122123301
5234344441222433040
64310321430505225
7306616235211416
oct36776503323361
97478181730838
102130120124145
11751419306a72
122a49b8b05215
13125b3c2a7480
1475153ca810d
153a62166d6b5
hex1eff50da6f1

2130120124145 has 16 divisors (see below), whose sum is σ = 2753208029712. Its totient is φ = 1572761836800.

The previous prime is 2130120124081. The next prime is 2130120124151. The reversal of 2130120124145 is 5414210210312.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 84301961104 + 2045818163041 = 290348^2 + 1430321^2 .

It is not a de Polignac number, because 2130120124145 - 26 = 2130120124081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190902 + ... + 3010031.

It is an arithmetic number, because the mean of its divisors is an integer number (172075501857).

Almost surely, 22130120124145 is an apocalyptic number.

It is an amenable number.

2130120124145 is a deficient number, since it is larger than the sum of its proper divisors (623087905567).

2130120124145 is a wasteful number, since it uses less digits than its factorization.

2130120124145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207252.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 2130120124145 its reverse (5414210210312), we get a palindrome (7544330334457).

The spelling of 2130120124145 in words is "two trillion, one hundred thirty billion, one hundred twenty million, one hundred twenty-four thousand, one hundred forty-five".

Divisors: 1 5 13 65 6301 31505 81913 409565 5200933 26004665 67612129 338060645 32771078833 163855394165 426024024829 2130120124145