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1381865381182 = 2111315730775141
BaseRepresentation
bin10100000110111101100…
…110000101110100111110
311220002211120111201011001
4110012331212011310332
5140120030014144212
62534453054520514
7201556624636156
oct24067546056476
94802746451131
101381865381182
11493055a89810
121a3993b0613a
13a04038316b0
144ac4dd79766
1525e2b064657
hex141bd985d3e

1381865381182 has 32 divisors (see below), whose sum is σ = 2450686107744. Its totient is φ = 576110620800.

The previous prime is 1381865381173. The next prime is 1381865381191. The reversal of 1381865381182 is 2811835681831.

It is an interprime number because it is at equal distance from previous prime (1381865381173) and next prime (1381865381191).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15342669 + ... + 15432472.

It is an arithmetic number, because the mean of its divisors is an integer number (76583940867).

Almost surely, 21381865381182 is an apocalyptic number.

1381865381182 is a deficient number, since it is larger than the sum of its proper divisors (1068820726562).

1381865381182 is a wasteful number, since it uses less digits than its factorization.

1381865381182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30775324.

The product of its digits is 2211840, while the sum is 55.

The spelling of 1381865381182 in words is "one trillion, three hundred eighty-one billion, eight hundred sixty-five million, three hundred eighty-one thousand, one hundred eighty-two".

Divisors: 1 2 11 13 22 26 143 157 286 314 1727 2041 3454 4082 22451 44902 30775141 61550282 338526551 400076833 677053102 800153666 4400845163 4831697137 8801690326 9663394274 53148668507 62812062781 106297337014 125624125562 690932690591 1381865381182