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400230122443 = 1744353144353
BaseRepresentation
bin1011101001011111001…
…00110000001111001011
31102021001201120210122021
411310233210300033023
523024132402404233
6503510240305311
740626034623634
oct5645744601713
91367051523567
10400230122443
11144811519838
1265698312237
132b984211278
141552a98688b
15a626c02e2d
hex5d2f9303cb

400230122443 has 8 divisors (see below), whose sum is σ = 424729677168. Its totient is φ = 375836857344.

The previous prime is 400230122437. The next prime is 400230122521. The reversal of 400230122443 is 344221032004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-400230122443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400230122143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26564646 + ... + 26579707.

It is an arithmetic number, because the mean of its divisors is an integer number (53091209646).

Almost surely, 2400230122443 is an apocalyptic number.

400230122443 is a deficient number, since it is larger than the sum of its proper divisors (24499554725).

400230122443 is a wasteful number, since it uses less digits than its factorization.

400230122443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53144813.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 400230122443 its reverse (344221032004), we get a palindrome (744451154447).

The spelling of 400230122443 in words is "four hundred billion, two hundred thirty million, one hundred twenty-two thousand, four hundred forty-three".

Divisors: 1 17 443 7531 53144353 903454001 23542948379 400230122443