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323100142040 = 235132611515189
BaseRepresentation
bin1001011001110100100…
…01001110100111011000
31010212222101220211101102
410230322101032213120
520243202114021130
6404232525210532
732225502615254
oct4547221164730
91125871824342
10323100142040
11115031674985
1252751700a48
1324611881100
14118d105b264
1586106a0645
hex4b3a44e9d8

323100142040 has 192 divisors, whose sum is σ = 805556923200. Its totient is φ = 116543232000.

The previous prime is 323100142033. The next prime is 323100142069. The reversal of 323100142040 is 40241001323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 62263766 + ... + 62268954.

It is an arithmetic number, because the mean of its divisors is an integer number (4195608975).

Almost surely, 2323100142040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323100142040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402778461600).

323100142040 is an abundant number, since it is smaller than the sum of its proper divisors (482456781160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323100142040 is a wasteful number, since it uses less digits than its factorization.

323100142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438 (or 5421 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 323100142040 its reverse (40241001323), we get a palindrome (363341143363).

The spelling of 323100142040 in words is "three hundred twenty-three billion, one hundred million, one hundred forty-two thousand, forty".