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2123021030293 = 4721537762501
BaseRepresentation
bin11110111001001101111…
…010100001001110010101
321111221212222121200221101
4132321031322201032111
5234240421340432133
64303145152350101
7306245304002662
oct36711572411625
97457788550841
102123021030293
1174940602a759
122a3557545331
1312527a5b7317
1474a7d114a69
153a3582cd37d
hex1ee4dea1395

2123021030293 has 12 divisors (see below), whose sum is σ = 2169328541292. Its totient is φ = 2077682000000.

The previous prime is 2123021030281. The next prime is 2123021030309. The reversal of 2123021030293 is 3920301203212.

It can be written as a sum of positive squares in 2 ways, for example, as 2122712044209 + 308986084 = 1456953^2 + 17578^2 .

It is not a de Polignac number, because 2123021030293 - 221 = 2123018933141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123021030203) 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 11 ways as a sum of consecutive naturals, for example, 33936543 + ... + 33999043.

It is an arithmetic number, because the mean of its divisors is an integer number (180777378441).

Almost surely, 22123021030293 is an apocalyptic number.

It is an amenable number.

2123021030293 is a deficient number, since it is larger than the sum of its proper divisors (46307510999).

2123021030293 is an equidigital number, since it uses as much as digits as its factorization.

2123021030293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77972 (or 77925 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 2123021030293 in words is "two trillion, one hundred twenty-three billion, twenty-one million, thirty thousand, two hundred ninety-three".

Divisors: 1 47 2209 15377 62501 722719 2937547 33967793 138064709 961077877 45170660219 2123021030293