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145216326213 = 3272305021051
BaseRepresentation
bin1000011100111110010…
…0010100101001000101
3111212211101010201002100
42013033210110221011
54334400334414323
6150413401502313
713330411256310
oct2071744245105
9455741121070
10145216326213
1156649915242
12241887a1999
13109034a305a
147058321977
153b9db59943
hex21cf914a45

145216326213 has 12 divisors (see below), whose sum is σ = 239722189408. Its totient is φ = 82980757800.

The previous prime is 145216326197. The next prime is 145216326223. The reversal of 145216326213 is 312623612541.

145216326213 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 1 + 632 + 6 + 2 + 13 = 666.

It is not a de Polignac number, because 145216326213 - 24 = 145216326197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145216326223) 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 11 ways as a sum of consecutive naturals, for example, 1152510463 + ... + 1152510588.

Almost surely, 2145216326213 is an apocalyptic number.

It is an amenable number.

145216326213 is a deficient number, since it is larger than the sum of its proper divisors (94505863195).

145216326213 is a wasteful number, since it uses less digits than its factorization.

145216326213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305021064 (or 2305021061 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 145216326213 its reverse (312623612541), we get a palindrome (457839938754).

The spelling of 145216326213 in words is "one hundred forty-five billion, two hundred sixteen million, three hundred twenty-six thousand, two hundred thirteen".

Divisors: 1 3 7 9 21 63 2305021051 6915063153 16135147357 20745189459 48405442071 145216326213