Search a number
-
+
540478775380 = 2251711871339211
BaseRepresentation
bin1111101110101110000…
…10111010000001010100
31220200001220011120002111
413313113002322001110
532323400031303010
61052143103520404
754022365534625
oct7672702720124
91820056146074
10540478775380
111992411a6575
12888b92b9104
133bc7546377b
141c23321da4c
15e0d468e58a
hex7dd70ba054

540478775380 has 48 divisors (see below), whose sum is σ = 1202783795136. Its totient is φ = 203302791680.

The previous prime is 540478775377. The next prime is 540478775399. The reversal of 540478775380 is 83577874045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266026 + ... + 1073185.

It is an arithmetic number, because the mean of its divisors is an integer number (25057995732).

Almost surely, 2540478775380 is an apocalyptic number.

It is an amenable number.

540478775380 is an abundant number, since it is smaller than the sum of its proper divisors (662305019756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540478775380 is a wasteful number, since it uses less digits than its factorization.

540478775380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340424 (or 1340422 counting only the distinct ones).

The product of its (nonzero) digits is 26342400, while the sum is 58.

The spelling of 540478775380 in words is "five hundred forty billion, four hundred seventy-eight million, seven hundred seventy-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1187 2374 4748 5935 11870 20179 23740 40358 80716 100895 201790 403580 1339211 2678422 5356844 6696055 13392110 22766587 26784220 45533174 91066348 113832935 227665870 455331740 1589643457 3179286914 6358573828 7948217285 15896434570 27023938769 31792869140 54047877538 108095755076 135119693845 270239387690 540478775380