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396970966560 = 25357181652741
BaseRepresentation
bin1011100011011010101…
…00000011111000100000
31101221122120220112021010
411301231110003320200
523000444031412220
6502211013300520
740452211353510
oct5615524037040
91357576815233
10396970966560
11143399841783
1264b28934740
132b584c2ca6c
14152dbb9d840
15a4d5a1c1e0
hex5c6d503e20

396970966560 has 192 divisors, whose sum is σ = 1436993236224. Its totient is φ = 90234777600.

The previous prime is 396970966541. The next prime is 396970966621. The reversal of 396970966560 is 65669079693.

It is a junction number, because it is equal to n+sod(n) for n = 396970966491 and 396970966500.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 281790 + ... + 934530.

It is an arithmetic number, because the mean of its divisors is an integer number (7484339772).

Almost surely, 2396970966560 is an apocalyptic number.

396970966560 is a gapful number since it is divisible by the number (30) 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 396970966560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718496618112).

396970966560 is an abundant number, since it is smaller than the sum of its proper divisors (1040022269664).

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

396970966560 is a wasteful number, since it uses less digits than its factorization.

396970966560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652947 (or 652939 counting only the distinct ones).

The product of its (nonzero) digits is 99202320, while the sum is 66.

The spelling of 396970966560 in words is "three hundred ninety-six billion, nine hundred seventy million, nine hundred sixty-six thousand, five hundred sixty".