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1380205610269 = 4723676143223
BaseRepresentation
bin10100000101011010101…
…010100100010100011101
311212221112220100121111021
4110011122222210110131
5140103130114012034
62534020244124141
7201500532055003
oct24053252442435
94787486317437
101380205610269
114923840a3312
121a35b0096651
13a01ca9cc025
144ab33766a73
1525d804aa6b4
hex1415aaa451d

1380205610269 has 8 divisors (see below), whose sum is σ = 1380733970112. Its totient is φ = 1379677359840.

The previous prime is 1380205610243. The next prime is 1380205610299. The reversal of 1380205610269 is 9620165020831.

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 1380205610269 - 223 = 1380197221661 is a prime.

It is a super-2 number, since 2×13802056102692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380205610209) 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, 31910592 + ... + 31953814.

It is an arithmetic number, because the mean of its divisors is an integer number (172591746264).

Almost surely, 21380205610269 is an apocalyptic number.

It is an amenable number.

1380205610269 is a deficient number, since it is larger than the sum of its proper divisors (528359843).

1380205610269 is an equidigital number, since it uses as much as digits as its factorization.

1380205610269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54707.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 1380205610269 in words is "one trillion, three hundred eighty billion, two hundred five million, six hundred ten thousand, two hundred sixty-nine".

Divisors: 1 4723 6761 43223 31932203 204142229 292230703 1380205610269