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145717351049 = 597931263109
BaseRepresentation
bin1000011110110101101…
…1100101001010001001
3111221010021220101221202
42013231123211022021
54341412120213144
6150535220313545
713346004022154
oct2075533451211
9457107811852
10145717351049
1156886711656
12242a85428b5
131098322675a
1470a4aa2c9b
153bccb2664e
hex21ed6e5289

145717351049 has 8 divisors (see below), whose sum is σ = 150062928000. Its totient is φ = 141434300592.

The previous prime is 145717351033. The next prime is 145717351061. The reversal of 145717351049 is 940153717541.

145717351049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145717351049 - 24 = 145717351033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145717350994 and 145717351012.

It is not an unprimeable number, because it can be changed into a prime (145717351019) by changing a digit.

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, 15626894 + ... + 15636215.

It is an arithmetic number, because the mean of its divisors is an integer number (18757866000).

Almost surely, 2145717351049 is an apocalyptic number.

It is an amenable number.

145717351049 is a deficient number, since it is larger than the sum of its proper divisors (4345576951).

145717351049 is an equidigital number, since it uses as much as digits as its factorization.

145717351049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31263247.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 145717351049 in words is "one hundred forty-five billion, seven hundred seventeen million, three hundred fifty-one thousand, forty-nine".

Divisors: 1 59 79 4661 31263109 1844523431 2469785611 145717351049