Search a number
-
+
540836401894 = 21645316435799
BaseRepresentation
bin1111101111011000101…
…11001001001011100110
31220200222211002212102221
413313230113021023212
532330113104330034
61052242401022554
754034300364545
oct7675427111346
91820884085387
10540836401894
1119940505a678
1288999024a5a
133c00158a0a9
141c26891415c
15e105c82bb4
hex7dec5c92e6

540836401894 has 8 divisors (see below), whose sum is σ = 811303959600. Its totient is φ = 270401748696.

The previous prime is 540836401891. The next prime is 540836401997. The reversal of 540836401894 is 498104638045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5408364018942 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540836401891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8184994 + ... + 8250805.

It is an arithmetic number, because the mean of its divisors is an integer number (101412994950).

Almost surely, 2540836401894 is an apocalyptic number.

540836401894 is a deficient number, since it is larger than the sum of its proper divisors (270467557706).

540836401894 is a wasteful number, since it uses less digits than its factorization.

540836401894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16452254.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 540836401894 in words is "five hundred forty billion, eight hundred thirty-six million, four hundred one thousand, eight hundred ninety-four".

Divisors: 1 2 16453 32906 16435799 32871598 270418200947 540836401894