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243115031422 = 21271297737969
BaseRepresentation
bin1110001001101011001…
…0001111101101111110
3212020112002211012210001
43202122302033231332
512440344422001142
6303404022504514
723364421446034
oct3423262175576
9766462735701
10243115031422
119411710847a
123b14a89513a
1319c058604a3
14baa427a554
1564cd6735b7
hex389ac8fb7e

243115031422 has 16 divisors (see below), whose sum is σ = 367827863040. Its totient is φ = 120507222528.

The previous prime is 243115031371. The next prime is 243115031431. The reversal of 243115031422 is 224130511342.

243115031422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39547 + ... + 698422.

It is an arithmetic number, because the mean of its divisors is an integer number (22989241440).

Almost surely, 2243115031422 is an apocalyptic number.

243115031422 is a deficient number, since it is larger than the sum of its proper divisors (124712831618).

243115031422 is a wasteful number, since it uses less digits than its factorization.

243115031422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739395.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 243115031422 its reverse (224130511342), we get a palindrome (467245542764).

The spelling of 243115031422 in words is "two hundred forty-three billion, one hundred fifteen million, thirty-one thousand, four hundred twenty-two".

Divisors: 1 2 127 254 1297 2594 164719 329438 737969 1475938 93722063 187444126 957145793 1914291586 121557515711 243115031422