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145011422665 = 52952111931609
BaseRepresentation
bin1000011100001101011…
…0101011010111001001
3111212022002120112021001
42013003112223113021
54333440411011130
6150341202015001
713322342520004
oct2070326532711
9455262515231
10145011422665
115655419316a
1224130047461
131089cbbcb55
14703902453b
153b8ab826ca
hex21c35ab5c9

145011422665 has 32 divisors (see below), whose sum is σ = 180623066400. Its totient is φ = 111630704640.

The previous prime is 145011422659. The next prime is 145011422669. The reversal of 145011422665 is 566224110541.

145011422665 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 16 ways, for example, as 7990035769 + 137021386896 = 89387^2 + 370164^2 .

It is not a de Polignac number, because 145011422665 - 213 = 145011414473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145011422669) 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 31 ways as a sum of consecutive naturals, for example, 90124381 + ... + 90125989.

It is an arithmetic number, because the mean of its divisors is an integer number (5644470825).

Almost surely, 2145011422665 is an apocalyptic number.

It is an amenable number.

145011422665 is a deficient number, since it is larger than the sum of its proper divisors (35611643735).

145011422665 is a wasteful number, since it uses less digits than its factorization.

145011422665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 145011422665 in words is "one hundred forty-five billion, eleven million, four hundred twenty-two thousand, six hundred sixty-five".

Divisors: 1 5 29 145 521 1193 1609 2605 5965 8045 15109 34597 46661 75545 172985 233305 621553 838289 1919537 3107765 4191445 9597685 18025037 24310381 55666573 90125185 121551905 278332865 1000078777 5000393885 29002284533 145011422665