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54540022251431 = 3531182191306933
BaseRepresentation
bin11000110011010100101101…
…01001101111111110100111
321011002222022220222201001002
430121222112221233332213
524122040431144021211
6311555201302223515
714326246411011443
oct1431522651577647
9234088286881032
1054540022251431
1116418325784002
12614a27b124b9b
13245814320cb52
14d67a7328b823
15648aa017d03b
hex319a96a6ffa7

54540022251431 has 8 divisors (see below), whose sum is σ = 54695031067920. Its totient is φ = 54385016285952.

The previous prime is 54540022251359. The next prime is 54540022251443. The reversal of 54540022251431 is 13415222004545.

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 54540022251431 - 222 = 54540018057127 is a prime.

It is a super-2 number, since 2×545400222514312 (a number of 28 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 (54540022251031) 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, 41077841 + ... + 42384773.

It is an arithmetic number, because the mean of its divisors is an integer number (6836878883490).

Almost surely, 254540022251431 is an apocalyptic number.

54540022251431 is a deficient number, since it is larger than the sum of its proper divisors (155008816489).

54540022251431 is a wasteful number, since it uses less digits than its factorization.

54540022251431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425505.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 54540022251431 its reverse (13415222004545), we get a palindrome (67955244255976).

The spelling of 54540022251431 in words is "fifty-four trillion, five hundred forty billion, twenty-two million, two hundred fifty-one thousand, four hundred thirty-one".

Divisors: 1 353 118219 1306933 41731307 461347349 154504312327 54540022251431