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487353065472 = 2133472131153
BaseRepresentation
bin1110001011110001000…
…00011010000000000000
31201120221110202212120000
413011320200122000000
530441044341043342
61011515323320000
750132030464200
oct7057040320000
91646843685500
10487353065472
1117875a111399
127a551680000
1336c59c66670
1419833722400
15ca256c344c
hex717881a000

487353065472 has 840 divisors, whose sum is σ = 1825523809956. Its totient is φ = 128421199872.

The previous prime is 487353065449. The next prime is 487353065483. The reversal of 487353065472 is 274560353784.

It is a happy number.

487353065472 is a `hidden beast` number, since 4 + 8 + 7 + 3 + 530 + 65 + 47 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 486556471296 + 796594176 = 697536^2 + 28224^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 422682048 + ... + 422683200.

Almost surely, 2487353065472 is an apocalyptic number.

487353065472 is a gapful number since it is divisible by the number (42) 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 487353065472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912761904978).

487353065472 is an abundant number, since it is smaller than the sum of its proper divisors (1338170744484).

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

487353065472 is a wasteful number, since it uses less digits than its factorization.

487353065472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 54.

The spelling of 487353065472 in words is "four hundred eighty-seven billion, three hundred fifty-three million, sixty-five thousand, four hundred seventy-two".