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145053424520 = 23510135904313
BaseRepresentation
bin1000011100010111011…
…0111001101110001000
3111212102000121102222022
42013011312321232020
54334032134041040
6150345302144012
713323362523254
oct2070566715610
9455360542868
10145053424520
1156575970844
1224142122008
13108a8807914
147040839264
153b8e6cc6b5
hex21c5db9b88

145053424520 has 32 divisors (see below), whose sum is σ = 329601602520. Its totient is φ = 57446899200.

The previous prime is 145053424489. The next prime is 145053424553. The reversal of 145053424520 is 25424350541.

145053424520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 141931520644 + 3121903876 = 376738^2 + 55874^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17948117 + ... + 17956196.

Almost surely, 2145053424520 is an apocalyptic number.

145053424520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145053424520 is an abundant number, since it is smaller than the sum of its proper divisors (184548178000).

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

145053424520 is a wasteful number, since it uses less digits than its factorization.

145053424520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35904425 (or 35904421 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 145053424520 in words is "one hundred forty-five billion, fifty-three million, four hundred twenty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 808 1010 2020 4040 35904313 71808626 143617252 179521565 287234504 359043130 718086260 1436172520 3626335613 7252671226 14505342452 18131678065 29010684904 36263356130 72526712260 145053424520