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2143092879445 = 57118395171993
BaseRepresentation
bin11111001011111010010…
…010100011000001010101
321120212200211100021200211
4133023322102203001111
5240103023234120240
64320305010005421
7310555560624430
oct37137222430125
97525624307624
102143092879445
11756976073041
122a7419576871
13127128b2a33b
1475a24b80817
153ab304dcbea
hex1f2fa4a3055

2143092879445 has 16 divisors (see below), whose sum is σ = 2939347630080. Its totient is φ = 1469424991104.

The previous prime is 2143092879443. The next prime is 2143092879457. The reversal of 2143092879445 is 5449782903412.

It is not a de Polignac number, because 2143092879445 - 21 = 2143092879443 is a prime.

It is a super-2 number, since 2×21430928794452 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143092879445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143092879443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2171632 + ... + 3000361.

It is an arithmetic number, because the mean of its divisors is an integer number (183709226880).

Almost surely, 22143092879445 is an apocalyptic number.

It is an amenable number.

2143092879445 is a deficient number, since it is larger than the sum of its proper divisors (796254750635).

2143092879445 is a wasteful number, since it uses less digits than its factorization.

2143092879445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183844.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 2143092879445 in words is "two trillion, one hundred forty-three billion, ninety-two million, eight hundred seventy-nine thousand, four hundred forty-five".

Divisors: 1 5 7 35 11839 59195 82873 414365 5171993 25859965 36203951 181019755 61231225127 306156125635 428618575889 2143092879445