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54320021423 = 295693291923
BaseRepresentation
bin110010100101101110…
…011011111110101111
312012012122200222221022
4302211232123332233
51342221411141143
640542042324355
73632046364253
oct624556337657
9165178628838
1054320021423
1121045266098
12a63b7b96bb
135178a7c315
1428b438a263
15162dc81268
hexca5b9bfaf

54320021423 has 8 divisors (see below), whose sum is σ = 56291900400. Its totient is φ = 52354727488.

The previous prime is 54320021417. The next prime is 54320021461. The reversal of 54320021423 is 32412002345.

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

It is a cyclic number.

It is not a de Polignac number, because 54320021423 - 218 = 54319759279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54320021392 and 54320021401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54320021473) 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, 1629461 + ... + 1662462.

It is an arithmetic number, because the mean of its divisors is an integer number (7036487550).

Almost surely, 254320021423 is an apocalyptic number.

54320021423 is a deficient number, since it is larger than the sum of its proper divisors (1971878977).

54320021423 is a wasteful number, since it uses less digits than its factorization.

54320021423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292521.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 54320021423 its reverse (32412002345), we get a palindrome (86732023768).

The spelling of 54320021423 in words is "fifty-four billion, three hundred twenty million, twenty-one thousand, four hundred twenty-three".

Divisors: 1 29 569 16501 3291923 95465767 1873104187 54320021423