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1912141770768 = 2436163935337
BaseRepresentation
bin11011110100110100100…
…001111111000000010000
320202210120110002101000000
4123310310201333000100
5222312031243131033
64022231550130000
7255101440610115
oct33646441770020
96683513071000
101912141770768
11677a311a8889
1226a7044b0900
1310b411396798
14687961d290c
1534b14bb9a13
hex1bd3487f010

1912141770768 has 70 divisors (see below), whose sum is σ = 5554621057454. Its totient is φ = 637380586368.

The previous prime is 1912141770743. The next prime is 1912141770769. The reversal of 1912141770768 is 8670771412191.

1912141770768 is a `hidden beast` number, since 1 + 91 + 2 + 1 + 417 + 70 + 76 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 965046887424 + 947094883344 = 982368^2 + 973188^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1912141770769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 81956005 + ... + 81979332.

Almost surely, 21912141770768 is an apocalyptic number.

1912141770768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1912141770768 is an abundant number, since it is smaller than the sum of its proper divisors (3642479286686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1912141770768 is an equidigital number, since it uses as much as digits as its factorization.

1912141770768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163935363 (or 163935342 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 54.

The spelling of 1912141770768 in words is "one trillion, nine hundred twelve billion, one hundred forty-one million, seven hundred seventy thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 729 972 1296 1458 1944 2916 3888 5832 11664 163935337 327870674 491806011 655741348 983612022 1311482696 1475418033 1967224044 2622965392 2950836066 3934448088 4426254099 5901672132 7868896176 8852508198 11803344264 13278762297 17705016396 23606688528 26557524594 35410032792 39836286891 53115049188 70820065584 79672573782 106230098376 119508860673 159345147564 212460196752 239017721346 318690295128 478035442692 637380590256 956070885384 1912141770768