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425575707648 = 210371312711987
BaseRepresentation
bin1100011000101100100…
…10011111010000000000
31111200111002202221020020
412030112102133100000
523433034340121043
6523301244213440
742514106554230
oct6142622372000
91450432687206
10425575707648
11154538435073
126a59053a280
1331193216370
1416852babcc0
15b10bddae83
hex631649f400

425575707648 has 352 divisors, whose sum is σ = 1407189417984. Its totient is φ = 111346679808.

The previous prime is 425575707637. The next prime is 425575707659. The reversal of 425575707648 is 846707575524.

It is an interprime number because it is at equal distance from previous prime (425575707637) and next prime (425575707659).

It is a super-2 number, since 2×4255757076482 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425575707591 and 425575707600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35497111 + ... + 35509097.

Almost surely, 2425575707648 is an apocalyptic number.

425575707648 is a gapful number since it is divisible by the number (48) 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 425575707648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703594708992).

425575707648 is an abundant number, since it is smaller than the sum of its proper divisors (981613710336).

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

425575707648 is a wasteful number, since it uses less digits than its factorization.

425575707648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12157 (or 12139 counting only the distinct ones).

The product of its (nonzero) digits is 65856000, while the sum is 60.

The spelling of 425575707648 in words is "four hundred twenty-five billion, five hundred seventy-five million, seven hundred seven thousand, six hundred forty-eight".