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323144041861 = 37186121132221
BaseRepresentation
bin1001011001111001110…
…00101100010110000101
31010220002110112011121201
410230330320230112011
520243244333314421
6404241134142501
732226545015134
oct4547470542605
91126073464551
10323144041861
11115054429523
1252764351a31
132461a9b1a34
14118d6c0791b
158614472b91
hex4b3ce2c585

323144041861 has 16 divisors (see below), whose sum is σ = 332362724848. Its totient is φ = 313951334400.

The previous prime is 323144041853. The next prime is 323144041889. The reversal of 323144041861 is 168140441323.

It can be written as a sum of positive squares in 8 ways, for example, as 57384202500 + 265759839361 = 239550^2 + 515519^2 .

It is not a de Polignac number, because 323144041861 - 23 = 323144041853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323144041861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323144081861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145493731 + ... + 145495951.

It is an arithmetic number, because the mean of its divisors is an integer number (20772670303).

Almost surely, 2323144041861 is an apocalyptic number.

It is an amenable number.

323144041861 is a deficient number, since it is larger than the sum of its proper divisors (9218682987).

323144041861 is a wasteful number, since it uses less digits than its factorization.

323144041861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 323144041861 in words is "three hundred twenty-three billion, one hundred forty-four million, forty-one thousand, eight hundred sixty-one".

Divisors: 1 37 1861 2113 2221 68857 78181 82177 3932293 4133281 4692973 145494841 152931397 173640001 8733622753 323144041861