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42143543512 = 23726916371709
BaseRepresentation
bin100111001111111100…
…110111000011011000
311000210001111211101221
4213033330313003120
51142302221343022
631205510221424
73021233131540
oct471774670330
9130701454357
1042143543512
1116966a28004
128201954874
133c881a7ac5
14207b150320
151169ca0cc7
hex9cff370d8

42143543512 has 64 divisors (see below), whose sum is σ = 90751752000. Its totient is φ = 17972860416.

The previous prime is 42143543483. The next prime is 42143543513. The reversal of 42143543512 is 21534534124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143543513) 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, 24658914 + ... + 24660622.

It is an arithmetic number, because the mean of its divisors is an integer number (1417996125).

Almost surely, 242143543512 is an apocalyptic number.

It is an amenable number.

42143543512 is an abundant number, since it is smaller than the sum of its proper divisors (48608208488).

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

42143543512 is a wasteful number, since it uses less digits than its factorization.

42143543512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628 (or 3624 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The spelling of 42143543512 in words is "forty-two billion, one hundred forty-three million, five hundred forty-three thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 269 538 1076 1637 1709 1883 2152 3274 3418 3766 6548 6836 7532 11459 11963 13096 13672 15064 22918 23926 45836 47852 91672 95704 440353 459721 880706 919442 1761412 1838884 2797633 3082471 3218047 3522824 3677768 5595266 6164942 6436094 11190532 12329884 12872188 19583431 22381064 24659768 25744376 39166862 78333724 156667448 752563277 1505126554 3010253108 5267942939 6020506216 10535885878 21071771756 42143543512