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19790425761480 = 23325117393773063
BaseRepresentation
bin1000111111111110100010…
…10011000010011011001000
32121001221112210120002222200
410133333101103002123020
510043221242443331410
6110031332430520200
74111545125261013
oct437772123023310
977057483502880
1019790425761480
116340088452820
122277625666060
13b072c956868a
144c5c0c7a637a
15244bdb1053c0
hex11ffd14c26c8

19790425761480 has 384 divisors, whose sum is σ = 71204117886720. Its totient is φ = 4726842531840.

The previous prime is 19790425761461. The next prime is 19790425761493. The reversal of 19790425761480 is 8416752409791.

19790425761480 is a `hidden beast` number, since 1 + 9 + 7 + 9 + 0 + 4 + 2 + 5 + 7 + 614 + 8 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 270831429 + ... + 270904491.

It is an arithmetic number, because the mean of its divisors is an integer number (185427390330).

Almost surely, 219790425761480 is an apocalyptic number.

19790425761480 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 19790425761480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35602058943360).

19790425761480 is an abundant number, since it is smaller than the sum of its proper divisors (51413692125240).

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

19790425761480 is a wasteful number, since it uses less digits than its factorization.

19790425761480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74101 (or 74094 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 19790425761480 in words is "nineteen trillion, seven hundred ninety billion, four hundred twenty-five million, seven hundred sixty-one thousand, four hundred eighty".