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54938467919 = 263322164853
BaseRepresentation
bin110011001010100101…
…100111111001001111
312020210202102100001002
4303022211213321033
51400003221433134
641123254010515
73653266162256
oct631245477117
9166722370032
1054938467919
11213323730a5
12a792946a3b
135246c361aa
14293257579d
1516681e487e
hexcca967e4f

54938467919 has 8 divisors (see below), whose sum is σ = 55165331232. Its totient is φ = 54711741280.

The previous prime is 54938467901. The next prime is 54938467921. The reversal of 54938467919 is 91976483945.

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 54938467919 - 228 = 54670032463 is a prime.

It is a super-2 number, since 2×549384679192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54938467939) 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, 814697 + ... + 879549.

It is an arithmetic number, because the mean of its divisors is an integer number (6895666404).

Almost surely, 254938467919 is an apocalyptic number.

54938467919 is a deficient number, since it is larger than the sum of its proper divisors (226863313).

54938467919 is a wasteful number, since it uses less digits than its factorization.

54938467919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68337.

The product of its digits is 58786560, while the sum is 65.

The spelling of 54938467919 in words is "fifty-four billion, nine hundred thirty-eight million, four hundred sixty-seven thousand, nine hundred nineteen".

Divisors: 1 263 3221 64853 847123 17056339 208891513 54938467919