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275335381789 = 13101209699453
BaseRepresentation
bin1000000000110110100…
…01001000001100011101
3222022200121002121020221
410000123101020030131
514002341324204124
6330253132441341
725615032062416
oct4003321101435
9868617077227
10275335381789
11a6850710606
1245441319251
131cc6bc30970
14d47d53c80d
157267188ce4
hex401b44831d

275335381789 has 8 divisors (see below), whose sum is σ = 299450820312. Its totient is φ = 251639342400.

The previous prime is 275335381729. The next prime is 275335381813. The reversal of 275335381789 is 987183533572.

It can be written as a sum of positive squares in 4 ways, for example, as 19228536889 + 256106844900 = 138667^2 + 506070^2 .

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 275335381789 - 231 = 273187898141 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 (275335381709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104848414 + ... + 104851039.

It is an arithmetic number, because the mean of its divisors is an integer number (37431352539).

Almost surely, 2275335381789 is an apocalyptic number.

It is an amenable number.

275335381789 is a deficient number, since it is larger than the sum of its proper divisors (24115438523).

275335381789 is a wasteful number, since it uses less digits than its factorization.

275335381789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209699567.

The product of its digits is 38102400, while the sum is 61.

The spelling of 275335381789 in words is "two hundred seventy-five billion, three hundred thirty-five million, three hundred eighty-one thousand, seven hundred eighty-nine".

Divisors: 1 13 101 1313 209699453 2726092889 21179644753 275335381789