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105325939440 = 2435510934957
BaseRepresentation
bin110001000010111101…
…0100100101011110000
3101001212100100002200000
41202011322210223300
53211201420030230
6120215220230000
710416034466511
oct1420572445360
9331770302600
10105325939440
1140739824247
12184b553b300
139c1704bab7
145152528a08
152b16ac5b60
hex1885ea4af0

105325939440 has 240 divisors, whose sum is σ = 367230016608. Its totient is φ = 28055559168.

The previous prime is 105325939427. The next prime is 105325939441. The reversal of 105325939440 is 44939523501.

105325939440 is a `hidden beast` number, since 1 + 0 + 5 + 3 + 259 + 394 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×1053259394402 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105325939441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21245442 + ... + 21250398.

Almost surely, 2105325939440 is an apocalyptic number.

105325939440 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 105325939440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183615008304).

105325939440 is an abundant number, since it is smaller than the sum of its proper divisors (261904077168).

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

105325939440 is a wasteful number, since it uses less digits than its factorization.

105325939440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078 (or 6060 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 105325939440 in words is "one hundred five billion, three hundred twenty-five million, nine hundred thirty-nine thousand, four hundred forty".