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1485980909568 = 21437113367
BaseRepresentation
bin10101100111111011010…
…111010100000000000000
312021001120120020120000000
4111213323113110000000
5143321242103101233
63054352240000000
7212233664216541
oct25477327240000
95231516216000
101485980909568
11523223536241
121bbbb0000000
13aa186b8231c
1451cc98244c8
15289c1744d13
hex159fb5d4000

1485980909568 has 480 divisors, whose sum is σ = 4508823083520. Its totient is φ = 489605824512.

The previous prime is 1485980909561. The next prime is 1485980909591. The reversal of 1485980909568 is 8659090895841.

1485980909568 is a `hidden beast` number, since 1 + 4 + 8 + 59 + 8 + 0 + 9 + 0 + 9 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 1485980909496 and 1485980909505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485980909561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4048994121 + ... + 4048994487.

It is an arithmetic number, because the mean of its divisors is an integer number (9393381424).

Almost surely, 21485980909568 is an apocalyptic number.

1485980909568 is a gapful number since it is divisible by the number (18) 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 1485980909568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254411541760).

1485980909568 is an abundant number, since it is smaller than the sum of its proper divisors (3022842173952).

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

1485980909568 is an frugal number, since it uses more digits than its factorization.

1485980909568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 72.

The spelling of 1485980909568 in words is "one trillion, four hundred eighty-five billion, nine hundred eighty million, nine hundred nine thousand, five hundred sixty-eight".