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54504240141 = 31317808910163
BaseRepresentation
bin110010110000101101…
…001011010000001101
312012200111100021111210
4302300231023100031
51343111041141031
641012223005033
73636444253131
oct626055132015
9165614307453
1054504240141
112112a24a36a
12a691439779
1351a7c9c490
1428d0a213c1
15164001e746
hexcb0b4b40d

54504240141 has 32 divisors (see below), whose sum is σ = 82884574080. Its totient is φ = 31561058304.

The previous prime is 54504240139. The next prime is 54504240163. The reversal of 54504240141 is 14104240545.

It is not a de Polignac number, because 54504240141 - 21 = 54504240139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54504240099 and 54504240108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54504240181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5357926 + ... + 5368088.

It is an arithmetic number, because the mean of its divisors is an integer number (2590142940).

Almost surely, 254504240141 is an apocalyptic number.

54504240141 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54504240141 is a deficient number, since it is larger than the sum of its proper divisors (28380333939).

54504240141 is a wasteful number, since it uses less digits than its factorization.

54504240141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 54504240141 its reverse (14104240545), we get a palindrome (68608480686).

The spelling of 54504240141 in words is "fifty-four billion, five hundred four million, two hundred forty thousand, one hundred forty-one".

Divisors: 1 3 13 17 39 51 221 663 8089 10163 24267 30489 105157 132119 137513 172771 315471 396357 412539 518313 1787669 2246023 5363007 6738069 82208507 246625521 1068710591 1397544619 3206131773 4192633857 18168080047 54504240141