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1955240466312 = 233732957353137
BaseRepresentation
bin11100011100111101011…
…010011101011110001000
320220220211001212221200010
4130130331122131132020
5224013313024410222
64054120340511520
7261155452513530
oct34347532353610
96826731787603
101955240466312
116942382a7731
12276b320ab5a0
131124bc4083b3
146a8c41384c0
1535cd873d80c
hex1c73d69d788

1955240466312 has 64 divisors (see below), whose sum is σ = 5586586657920. Its totient is φ = 558621600768.

The previous prime is 1955240466287. The next prime is 1955240466331. The reversal of 1955240466312 is 2136640425591.

It is a super-2 number, since 2×19552404663122 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5360208 + ... + 5713344.

It is an arithmetic number, because the mean of its divisors is an integer number (87290416530).

Almost surely, 21955240466312 is an apocalyptic number.

1955240466312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1955240466312 is an abundant number, since it is smaller than the sum of its proper divisors (3631346191608).

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

1955240466312 is a wasteful number, since it uses less digits than its factorization.

1955240466312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386110 (or 386106 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 1955240466312 in words is "one trillion, nine hundred fifty-five billion, two hundred forty million, four hundred sixty-six thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 32957 65914 98871 131828 197742 230699 263656 353137 395484 461398 692097 706274 790968 922796 1059411 1384194 1412548 1845592 2118822 2471959 2768388 2825096 4237644 4943918 5536776 7415877 8475288 9887836 14831754 19775672 29663508 59327016 11638336109 23276672218 34915008327 46553344436 69830016654 81468352763 93106688872 139660033308 162936705526 244405058289 279320066616 325873411052 488810116578 651746822104 977620233156 1955240466312