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145730579973 = 3114416078181
BaseRepresentation
bin1000011110111000111…
…0000010111000000101
3111221011012210111121220
42013232032002320011
54341424012024343
6150540412030553
713346224330356
oct2075616027005
9457135714556
10145730579973
1156893127750
12242b0a62459
1310985ba8c14
1470a6747d2d
153bcdd8b183
hex21ee382e05

145730579973 has 8 divisors (see below), whose sum is σ = 211971752736. Its totient is φ = 88321563600.

The previous prime is 145730579921. The next prime is 145730579999. The reversal of 145730579973 is 379975037541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145730579973 - 212 = 145730575877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145730579773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2208039058 + ... + 2208039123.

It is an arithmetic number, because the mean of its divisors is an integer number (26496469092).

Almost surely, 2145730579973 is an apocalyptic number.

It is an amenable number.

145730579973 is a deficient number, since it is larger than the sum of its proper divisors (66241172763).

145730579973 is a wasteful number, since it uses less digits than its factorization.

145730579973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416078195.

The product of its (nonzero) digits is 25004700, while the sum is 60.

The spelling of 145730579973 in words is "one hundred forty-five billion, seven hundred thirty million, five hundred seventy-nine thousand, nine hundred seventy-three".

Divisors: 1 3 11 33 4416078181 13248234543 48576859991 145730579973