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22628404850688 = 2123871319487
BaseRepresentation
bin1010010010100100101100…
…00010000111000000000000
32222010020212102220100000000
411021102112002013000000
510431220433120210223
6120043202400000000
74523563652435520
oct511222602070000
988106772810000
1022628404850688
11723471a68712a
122655653000000
13c81b07242760
14583313609680
1529393b768543
hex149496087000

22628404850688 has 1872 divisors, whose sum is σ = 88113813598720. Its totient is φ = 5642219814912.

The previous prime is 22628404850687. The next prime is 22628404850713. The reversal of 22628404850688 is 88605840482622.

It is a happy number.

22628404850688 is a `hidden beast` number, since 2 + 2 + 6 + 2 + 8 + 4 + 0 + 48 + 506 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (1872).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22628404850687) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 46464896781 + ... + 46464897267.

Almost surely, 222628404850688 is an apocalyptic number.

22628404850688 is a gapful number since it is divisible by the number (28) 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 22628404850688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44056906799360).

22628404850688 is an abundant number, since it is smaller than the sum of its proper divisors (65485408748032).

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

22628404850688 is an frugal number, since it uses more digits than its factorization.

22628404850688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 94371840, while the sum is 63.

The spelling of 22628404850688 in words is "twenty-two trillion, six hundred twenty-eight billion, four hundred four million, eight hundred fifty thousand, six hundred eighty-eight".