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492051480648 = 23372131731157389
BaseRepresentation
bin1110010100100001000…
…11011100000001001000
31202001001220200002111220
413022100203130001020
531030210134340043
61014013442522040
750356331401500
oct7122043340110
91661056602456
10492051480648
1117a750262242
127b443066320
1337528490ca0
1419b5b71aa00
15cbece06483
hex72908dc048

492051480648 has 768 divisors, whose sum is σ = 1699410585600. Its totient is φ = 117143470080.

The previous prime is 492051480629. The next prime is 492051480659. The reversal of 492051480648 is 846084150294.

It is a super-2 number, since 2×4920514806482 (a number of 24 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 492051480648.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1264913638 + ... + 1264914026.

It is an arithmetic number, because the mean of its divisors is an integer number (2212774200).

Almost surely, 2492051480648 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 492051480648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849705292800).

492051480648 is an abundant number, since it is smaller than the sum of its proper divisors (1207359104952).

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

492051480648 is a wasteful number, since it uses less digits than its factorization.

492051480648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 492051480648 in words is "four hundred ninety-two billion, fifty-one million, four hundred eighty thousand, six hundred forty-eight".