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145780322289 = 3761113801969
BaseRepresentation
bin1000011111000100101…
…1110010111111110001
3111221021200101200020220
42013301023302333301
54342024230303124
6150545350123253
713350400202610
oct2076113627761
9457250350226
10145780322289
11569092118a8
1224305650529
13109932a3c44
1470ad1b5877
153bd3414879
hex21f12f2ff1

145780322289 has 16 divisors (see below), whose sum is σ = 225783108480. Its totient is φ = 81937416960.

The previous prime is 145780322273. The next prime is 145780322293. The reversal of 145780322289 is 982223087541.

It is not a de Polignac number, because 145780322289 - 24 = 145780322273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145780322269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56899704 + ... + 56902265.

It is an arithmetic number, because the mean of its divisors is an integer number (14111444280).

Almost surely, 2145780322289 is an apocalyptic number.

It is an amenable number.

145780322289 is a deficient number, since it is larger than the sum of its proper divisors (80002786191).

145780322289 is a wasteful number, since it uses less digits than its factorization.

145780322289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113802040.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 145780322289 in words is "one hundred forty-five billion, seven hundred eighty million, three hundred twenty-two thousand, two hundred eighty-nine".

Divisors: 1 3 7 21 61 183 427 1281 113801969 341405907 796613783 2389841349 6941920109 20825760327 48593440763 145780322289