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54021988483 = 523103292521
BaseRepresentation
bin110010010011111101…
…100010000010000011
312011102212220100121021
4302103331202002003
51341114112112413
640452314410311
73621500216461
oct622375420203
9164385810537
1054021988483
1120a02005581
12a577a30997
13512c0bc978
142886969831
151612a1018d
hexc93f62083

54021988483 has 4 divisors (see below), whose sum is σ = 54125281528. Its totient is φ = 53918695440.

The previous prime is 54021988477. The next prime is 54021988513. The reversal of 54021988483 is 38488912045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54021988483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54021988483.

It is not an unprimeable number, because it can be changed into a prime (54028988483) 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, 51645738 + ... + 51646783.

It is an arithmetic number, because the mean of its divisors is an integer number (13531320382).

Almost surely, 254021988483 is an apocalyptic number.

54021988483 is a deficient number, since it is larger than the sum of its proper divisors (103293045).

54021988483 is a wasteful number, since it uses less digits than its factorization.

54021988483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103293044.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 54021988483 in words is "fifty-four billion, twenty-one million, nine hundred eighty-eight thousand, four hundred eighty-three".

Divisors: 1 523 103292521 54021988483