Search a number
-
+
468978817452 = 22389994342879
BaseRepresentation
bin1101101001100010101…
…00001101100110101100
31122211111221101100202120
412310301110031212230
530140432034124302
6555240151352540
745611506114035
oct6646124154654
91584457340676
10468978817452
11170990352952
1276a84082750
13352bc340062
14189ad315a8c
15c2ec5419bc
hex6d3150d9ac

468978817452 has 24 divisors (see below), whose sum is σ = 1094405760000. Its totient is φ = 156308864976.

The previous prime is 468978817451. The next prime is 468978817493. The reversal of 468978817452 is 254718879864.

It is a happy number.

It is a super-2 number, since 2×4689788174522 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (468978817451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2063452 + ... + 2279427.

It is an arithmetic number, because the mean of its divisors is an integer number (45600240000).

Almost surely, 2468978817452 is an apocalyptic number.

It is an amenable number.

468978817452 is an abundant number, since it is smaller than the sum of its proper divisors (625426942548).

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

468978817452 is a wasteful number, since it uses less digits than its factorization.

468978817452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351885 (or 4351883 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 69.

The spelling of 468978817452 in words is "four hundred sixty-eight billion, nine hundred seventy-eight million, eight hundred seventeen thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 8999 17998 26997 35996 53994 107988 4342879 8685758 13028637 17371516 26057274 52114548 39081568121 78163136242 117244704363 156326272484 234489408726 468978817452