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425742620928 = 28317232948889
BaseRepresentation
bin1100011001000000011…
…11001101100100000000
31111200220201212000012120
412030200033031210000
523433410102332203
6523330005524240
742521204365662
oct6144017154400
91450821760176
10425742620928
11154613679529
126a618413680
13311bb987711
141686b01a532
15b11b8abb53
hex63203cd900

425742620928 has 288 divisors, whose sum is σ = 1295107833600. Its totient is φ = 123351072768.

The previous prime is 425742620879. The next prime is 425742620977. The reversal of 425742620928 is 829026247524.

It is an interprime number because it is at equal distance from previous prime (425742620879) and next prime (425742620977).

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 8683908 + ... + 8732796.

It is an arithmetic number, because the mean of its divisors is an integer number (4496902200).

Almost surely, 2425742620928 is an apocalyptic number.

425742620928 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 425742620928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647553916800).

425742620928 is an abundant number, since it is smaller than the sum of its proper divisors (869365212672).

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

425742620928 is a wasteful number, since it uses less digits than its factorization.

425742620928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48977 (or 48963 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 425742620928 in words is "four hundred twenty-five billion, seven hundred forty-two million, six hundred twenty thousand, nine hundred twenty-eight".