Search a number
-
+
540042104430442 = 220809113843113983
BaseRepresentation
bin111101011001010100101100…
…1110011000101111101101010
32121211010112001210102100002201
41322302221121303011331222
51031241022212213233232
65152323530130050414
7221515516534001065
oct17262513163057552
92554115053370081
10540042104430442
1114708a63009a699
125069b940119a0a
131a2449a0cc0303
14975026a7c38dc
154267b03c41be7
hex1eb2a59cc5f6a

540042104430442 has 16 divisors (see below), whose sum is σ = 810116308385280. Its totient is φ = 270003335465952.

The previous prime is 540042104430403. The next prime is 540042104430457. The reversal of 540042104430442 is 244034401240045.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4737860983 + ... + 4737974965.

It is an arithmetic number, because the mean of its divisors is an integer number (50632269274080).

Almost surely, 2540042104430442 is an apocalyptic number.

540042104430442 is a deficient number, since it is larger than the sum of its proper divisors (270074203954838).

540042104430442 is a wasteful number, since it uses less digits than its factorization.

540042104430442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248637.

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 540042104430442 its reverse (244034401240045), we get a palindrome (784076505670487).

The spelling of 540042104430442 in words is "five hundred forty trillion, forty-two billion, one hundred four million, four hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 20809 41618 113843 113983 227686 227966 2368958987 2371872247 4737917974 4743744494 12976166669 25952333338 270021052215221 540042104430442