Search a number
-
+
54142204441 = 134164784957
BaseRepresentation
bin110010011011001000…
…000111101000011001
312011202021002221220011
4302123020013220121
51341340401020231
640512251201521
73624460100353
oct623310075031
9164667087804
1054142204441
1120a63954606
12a5b01462a1
13514ac90c80
1428989000d3
15161d3599b1
hexc9b207a19

54142204441 has 4 divisors (see below), whose sum is σ = 58306989412. Its totient is φ = 49977419472.

The previous prime is 54142204427. The next prime is 54142204507. The reversal of 54142204441 is 14440224145.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31976950041 + 22165254400 = 178821^2 + 148880^2 .

It is a cyclic number.

It is not a de Polignac number, because 54142204441 - 27 = 54142204313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54142204241) 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, 2082392466 + ... + 2082392491.

It is an arithmetic number, because the mean of its divisors is an integer number (14576747353).

Almost surely, 254142204441 is an apocalyptic number.

It is an amenable number.

54142204441 is a deficient number, since it is larger than the sum of its proper divisors (4164784971).

54142204441 is a wasteful number, since it uses less digits than its factorization.

54142204441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164784970.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 54142204441 its reverse (14440224145), we get a palindrome (68582428586).

The spelling of 54142204441 in words is "fifty-four billion, one hundred forty-two million, two hundred four thousand, four hundred forty-one".

Divisors: 1 13 4164784957 54142204441