Search a number
-
+
105468756480 = 293351679137
BaseRepresentation
bin110001000111001101…
…1011000001000000000
3101002020022001221211000
41202032123120020000
53212000000201410
6120241321252000
710422420431643
oct1421633301000
9332208057730
10105468756480
11408023aa85a
1218535334000
139c3a804419
1451674a3a5a
152b243d6dc0
hex188e6d8200

105468756480 has 320 divisors, whose sum is σ = 376918375680. Its totient is φ = 27953528832.

The previous prime is 105468756479. The next prime is 105468756509. The reversal of 105468756480 is 84657864501.

105468756480 is a `hidden beast` number, since 1 + 0 + 54 + 68 + 7 + 56 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×1054687564802 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11538472 + ... + 11547608.

It is an arithmetic number, because the mean of its divisors is an integer number (1177869924).

Almost surely, 2105468756480 is an apocalyptic number.

105468756480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105468756480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188459187840).

105468756480 is an abundant number, since it is smaller than the sum of its proper divisors (271449619200).

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

105468756480 is an equidigital number, since it uses as much as digits as its factorization.

105468756480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9336 (or 9314 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 105468756480 in words is "one hundred five billion, four hundred sixty-eight million, seven hundred fifty-six thousand, four hundred eighty".