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2192926654464 = 2143713490277
BaseRepresentation
bin11111111010010100100…
…111010100000000000000
321202122022211101100111220
4133322110213110000000
5241412103210420324
64355225552435040
7314301524003310
oct37722447240000
97678284340456
102192926654464
11776018a21877
122b5006848a80
1312ba3b30a090
14781d13a1440
153c09a49ab79
hex1fe949d4000

2192926654464 has 240 divisors, whose sum is σ = 7197092773248. Its totient is φ = 578353102848.

The previous prime is 2192926654463. The next prime is 2192926654547. The reversal of 2192926654464 is 4644566292912.

It is a happy number.

It is a super-2 number, since 2×21929266544642 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2192926654398 and 2192926654407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192926654463) 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 15 ways as a sum of consecutive naturals, for example, 4227694 + ... + 4717970.

Almost surely, 22192926654464 is an apocalyptic number.

2192926654464 is a gapful number since it is divisible by the number (24) 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 2192926654464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3598546386624).

2192926654464 is an abundant number, since it is smaller than the sum of its proper divisors (5004166118784).

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

2192926654464 is an equidigital number, since it uses as much as digits as its factorization.

2192926654464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490328 (or 490302 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 60.

The spelling of 2192926654464 in words is "two trillion, one hundred ninety-two billion, nine hundred twenty-six million, six hundred fifty-four thousand, four hundred sixty-four".