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14470928640 = 283457127157
BaseRepresentation
bin11010111101000100…
…01101100100000000
31101100111121100020000
431132202031210000
5214114024204030
610351534120000
71021413602220
oct153642154400
941314540200
1014470928640
116156509963
12297a350000
13149805588c
149b3c62080
1559a657860
hex35e88d900

14470928640 has 720 divisors, whose sum is σ = 60022566912. Its totient is φ = 3260694528.

The previous prime is 14470928609. The next prime is 14470928651. The reversal of 14470928640 is 4682907441.

14470928640 is a `hidden beast` number, since 1 + 447 + 0 + 92 + 86 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 92171442 + ... + 92171598.

Almost surely, 214470928640 is an apocalyptic number.

14470928640 is a gapful number since it is divisible by the number (10) 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 14470928640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30011283456).

14470928640 is an abundant number, since it is smaller than the sum of its proper divisors (45551638272).

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

14470928640 is a wasteful number, since it uses less digits than its factorization.

14470928640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 14470928640 in words is "fourteen billion, four hundred seventy million, nine hundred twenty-eight thousand, six hundred forty".