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145216245641 = 59151123713177
BaseRepresentation
bin1000011100111110010…
…0000000111110001001
3111212211100222121120012
42013033210000332021
54334400324330031
6150413400041305
713330410502355
oct2071744007611
9455740877505
10145216245641
115664986a755
1224188763235
131090347548c
147058300465
153b9db40b2b
hex21cf900f89

145216245641 has 16 divisors (see below), whose sum is σ = 148786999680. Its totient is φ = 141684163200.

The previous prime is 145216245623. The next prime is 145216245679. The reversal of 145216245641 is 146542612541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145216245641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145216295641) 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 15 ways as a sum of consecutive naturals, for example, 11013845 + ... + 11027021.

It is an arithmetic number, because the mean of its divisors is an integer number (9299187480).

Almost surely, 2145216245641 is an apocalyptic number.

It is an amenable number.

145216245641 is a deficient number, since it is larger than the sum of its proper divisors (3570754039).

145216245641 is a wasteful number, since it uses less digits than its factorization.

145216245641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14624.

The product of its digits is 230400, while the sum is 41.

The spelling of 145216245641 in words is "one hundred forty-five billion, two hundred sixteen million, two hundred forty-five thousand, six hundred forty-one".

Divisors: 1 59 151 1237 8909 13177 72983 186787 777443 1989727 11020433 16299949 117393893 961696991 2461292299 145216245641