Search a number
-
+
540815749386 = 231110776581103
BaseRepresentation
bin1111101111010110010…
…00010111000100001010
31220200221101020121112020
413313223020113010022
532330042312440021
61052240342225310
754033630010263
oct7675310270412
91820841217466
10540815749386
111993a4434090
1288992125236
133bcca208983
141c265c9996a
15e1040537c6
hex7deb21710a

540815749386 has 32 divisors (see below), whose sum is σ = 1190989329408. Its totient is φ = 162351936240.

The previous prime is 540815749381. The next prime is 540815749391. The reversal of 540815749386 is 683947518045.

It is a happy number.

540815749386 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (540815749381) and next prime (540815749391).

It is not an unprimeable number, because it can be changed into a prime (540815749381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38283490 + ... + 38297613.

It is an arithmetic number, because the mean of its divisors is an integer number (37218416544).

Almost surely, 2540815749386 is an apocalyptic number.

540815749386 is an abundant number, since it is smaller than the sum of its proper divisors (650173580022).

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

540815749386 is a wasteful number, since it uses less digits than its factorization.

540815749386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76581226.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 540815749386 in words is "five hundred forty billion, eight hundred fifteen million, seven hundred forty-nine thousand, three hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 107 214 321 642 1177 2354 3531 7062 76581103 153162206 229743309 459486618 842392133 1684784266 2527176399 5054352798 8194178021 16388356042 24582534063 49165068126 90135958231 180271916462 270407874693 540815749386