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488205354420 = 2232572313734787
BaseRepresentation
bin1110001101010110100…
…11101000010110110100
31201200010212111122012100
413012223103220112310
530444321032320140
61012140051022100
750162120020500
oct7065323502664
91650125448170
10488205354420
11179057216723
127a74ab9a930
13370646c6754
14198b49bd300
15ca75428530
hex71ab4e85b4

488205354420 has 432 divisors, whose sum is σ = 1783377243648. Its totient is φ = 107678108160.

The previous prime is 488205354367. The next prime is 488205354473. The reversal of 488205354420 is 24453502884.

488205354420 is a `hidden beast` number, since 4 + 8 + 82 + 0 + 5 + 3 + 544 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (488205354367) and next prime (488205354473).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 101983267 + ... + 101988053.

It is an arithmetic number, because the mean of its divisors is an integer number (4128188064).

Almost surely, 2488205354420 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 488205354420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891688621824).

488205354420 is an abundant number, since it is smaller than the sum of its proper divisors (1295171889228).

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

488205354420 is a wasteful number, since it uses less digits than its factorization.

488205354420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220 (or 5208 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

The spelling of 488205354420 in words is "four hundred eighty-eight billion, two hundred five million, three hundred fifty-four thousand, four hundred twenty".