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54380342491 = 192325410441
BaseRepresentation
bin110010101001010100…
…100010110011011011
312012100212012121212221
4302221110202303123
51342332331424431
640552035244511
73633411166366
oct625124426333
9165325177787
1054380342491
1121076316212
12a657a49737
13518840c467
1428bc3ad0dd
1516341e9111
hexca9522cdb

54380342491 has 12 divisors (see below), whose sum is σ = 59839488520. Its totient is φ = 49278287520.

The previous prime is 54380342473. The next prime is 54380342503. The reversal of 54380342491 is 19424308345.

54380342491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54380342491 - 27 = 54380342363 is a prime.

It is a super-3 number, since 3×543803424913 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54380342411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2695170 + ... + 2715271.

Almost surely, 254380342491 is an apocalyptic number.

54380342491 is a deficient number, since it is larger than the sum of its proper divisors (5459146029).

54380342491 is a wasteful number, since it uses less digits than its factorization.

54380342491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410506 (or 5410483 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 54380342491 in words is "fifty-four billion, three hundred eighty million, three hundred forty-two thousand, four hundred ninety-one".

Divisors: 1 19 23 437 529 10051 5410441 102798379 124440143 2364362717 2862123289 54380342491