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452808068128 = 251310715167369
BaseRepresentation
bin1101001011011010111…
…01101100110000100000
31121021202222021011220221
412211231131230300200
524404322331140003
6544003412212424
744500002034213
oct6455535546040
91537688234827
10452808068128
11165042393609
127391060a114
13339130a1730
1417cb781777a
15bba2a6d7bd
hex696d76cc20

452808068128 has 96 divisors (see below), whose sum is σ = 975444301440. Its totient is φ = 205661030400.

The previous prime is 452808068123. The next prime is 452808068131. The reversal of 452808068128 is 821860808254.

It is a super-2 number, since 2×4528080681282 (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (452808068123) 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 15 ways as a sum of consecutive naturals, for example, 6687628 + ... + 6754996.

It is an arithmetic number, because the mean of its divisors is an integer number (10160878140).

Almost surely, 2452808068128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452808068128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487722150720).

452808068128 is an abundant number, since it is smaller than the sum of its proper divisors (522636233312).

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

452808068128 is a wasteful number, since it uses less digits than its factorization.

452808068128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67650 (or 67642 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 52.

The spelling of 452808068128 in words is "four hundred fifty-two billion, eight hundred eight million, sixty-eight thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 104 107 151 208 214 302 416 428 604 856 1208 1391 1712 1963 2416 2782 3424 3926 4832 5564 7852 11128 15704 16157 22256 31408 32314 44512 62816 64628 67369 129256 134738 210041 258512 269476 420082 517024 538952 840164 875797 1077904 1680328 1751594 2155808 3360656 3503188 6721312 7006376 7208483 10172719 14012752 14416966 20345438 28025504 28833932 40690876 57667864 81381752 93710279 115335728 132245347 162763504 187420558 230671456 264490694 325527008 374841116 528981388 749682232 1057962776 1088480933 1499364464 2115925552 2176961866 2998728928 4231851104 4353923732 8707847464 14150252129 17415694928 28300504258 34831389856 56601008516 113202017032 226404034064 452808068128