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555000138893 = 3111784566363
BaseRepresentation
bin10000001001110001001…
…01100000110010001101
31222001112220200020221202
420010320211200302031
533043120013421033
61102544043035245
755045264225454
oct10047045406215
91861486606852
10555000138893
111a4413122942
128b69050bb25
134044aa97665
141cc0da4db9b
15e68445a8e8
hex8138960c8d

555000138893 has 4 divisors (see below), whose sum is σ = 556784705568. Its totient is φ = 553215572220.

The previous prime is 555000138887. The next prime is 555000138919. The reversal of 555000138893 is 398831000555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 555000138893 - 24 = 555000138877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555000138853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892282871 + ... + 892283492.

It is an arithmetic number, because the mean of its divisors is an integer number (139196176392).

Almost surely, 2555000138893 is an apocalyptic number.

It is an amenable number.

555000138893 is a deficient number, since it is larger than the sum of its proper divisors (1784566675).

555000138893 is a wasteful number, since it uses less digits than its factorization.

555000138893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784566674.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 555000138893 in words is "five hundred fifty-five billion, one hundred thirty-eight thousand, eight hundred ninety-three".

Divisors: 1 311 1784566363 555000138893