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2124642324125 = 5318869900797
BaseRepresentation
bin11110111010101110100…
…011010000111010011101
321112010001222100221222002
4132322232203100322131
5234302231413333000
64304014110332045
7306333421531106
oct36725643207235
97463058327862
102124642324125
1174a068225812
122a392a4ba025
13125478467399
1474b9458d3ad
153a4007d68d5
hex1eeae8d0e9d

2124642324125 has 16 divisors (see below), whose sum is σ = 2651697088560. Its totient is φ = 1699621892800.

The previous prime is 2124642324089. The next prime is 2124642324137. The reversal of 2124642324125 is 5214232464212.

It can be written as a sum of positive squares in 8 ways, for example, as 18025210564 + 2106617113561 = 134258^2 + 1451419^2 .

It is not a de Polignac number, because 2124642324125 - 26 = 2124642324061 is a prime.

It is a congruent 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, 1908227 + ... + 2809023.

It is an arithmetic number, because the mean of its divisors is an integer number (165731068035).

Almost surely, 22124642324125 is an apocalyptic number.

2124642324125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2124642324125 is a deficient number, since it is larger than the sum of its proper divisors (527054764435).

2124642324125 is an equidigital number, since it uses as much as digits as its factorization.

2124642324125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919681 (or 919671 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

Adding to 2124642324125 its reverse (5214232464212), we get a palindrome (7338874788337).

The spelling of 2124642324125 in words is "two trillion, one hundred twenty-four billion, six hundred forty-two million, three hundred twenty-four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 18869 94345 471725 900797 2358625 4503985 22519925 112599625 16997138593 84985692965 424928464825 2124642324125