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344970496640 = 275711357853
BaseRepresentation
bin1010000010100011101…
…10000000101010000000
31012222102120211221210202
411001101312000222000
521122444421343030
6422251030544332
733631455561110
oct5012166005200
91188376757722
10344970496640
11123334941000
1256a35b080a8
13266b88acb33
14129a78d1040
158e90720745
hex5051d80a80

344970496640 has 256 divisors, whose sum is σ = 1036706653440. Its totient is φ = 107521413120.

The previous prime is 344970496639. The next prime is 344970496649. The reversal of 344970496640 is 46694079443.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (344970496649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5933954 + ... + 5991806.

It is an arithmetic number, because the mean of its divisors is an integer number (4049635365).

Almost surely, 2344970496640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344970496640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518353326720).

344970496640 is an abundant number, since it is smaller than the sum of its proper divisors (691736156800).

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

344970496640 is an equidigital number, since it uses as much as digits as its factorization.

344970496640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57912 (or 57878 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 56.

The spelling of 344970496640 in words is "three hundred forty-four billion, nine hundred seventy million, four hundred ninety-six thousand, six hundred forty".