Search a number
-
+
676543456765434 = 23193589799073159
BaseRepresentation
bin1001100111010100000000110…
…0011010100110010111111010
310021201102220220201211121212110
42121311000030122212113322
51202133441444412443214
610354515435015353150
7262334436355565136
oct23165001432462772
93251386821747773
10676543456765434
1118662751798aa95
1263a667a29827b6
1323066a0ac8316b
14bd0cc4141a3c6
1553336ab983159
hex267500c6a65fa

676543456765434 has 32 divisors (see below), whose sum is σ = 1360328382599040. Its totient is φ = 224307970394112.

The previous prime is 676543456765433. The next prime is 676543456765499. The reversal of 676543456765434 is 434567654345676.

676543456765434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×6765434567654342 (a number of 30 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (676543456765433) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42707854 + ... + 56365305.

It is an arithmetic number, because the mean of its divisors is an integer number (42510261956220).

Almost surely, 2676543456765434 is an apocalyptic number.

676543456765434 is an abundant number, since it is smaller than the sum of its proper divisors (683784925833606).

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

676543456765434 is a wasteful number, since it uses less digits than its factorization.

676543456765434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99079254.

The product of its digits is 18289152000, while the sum is 75.

The spelling of 676543456765434 in words is "six hundred seventy-six trillion, five hundred forty-three billion, four hundred fifty-six million, seven hundred sixty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 193 386 579 1158 5897 11794 17691 35382 1138121 2276242 3414363 6828726 99073159 198146318 297219477 594438954 19121119687 38242239374 57363359061 114726718122 584234418623 1168468837246 1752703255869 3505406511738 112757242794239 225514485588478 338271728382717 676543456765434