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7252856109889 = 133143418538641
BaseRepresentation
bin110100110001010111111…
…1010010111101101000001
3221200100220000100020201021
41221202233322113231001
51422312322131004024
623231525513305441
71346000351511025
oct151425772275501
927610800306637
107252856109889
112346a12213195
1299179aa05281
13407c3132bb70
141b107c0b6385
15c89e4137de4
hex698afe97b41

7252856109889 has 16 divisors (see below), whose sum is σ = 8250233711104. Its totient is φ = 6328304236800.

The previous prime is 7252856109887. The next prime is 7252856109893. The reversal of 7252856109889 is 9889016582527.

It is not a de Polignac number, because 7252856109889 - 21 = 7252856109887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7252856109887) 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, 209251992 + ... + 209286649.

It is an arithmetic number, because the mean of its divisors is an integer number (515639606944).

Almost surely, 27252856109889 is an apocalyptic number.

It is an amenable number.

7252856109889 is a deficient number, since it is larger than the sum of its proper divisors (997377601215).

7252856109889 is a wasteful number, since it uses less digits than its factorization.

7252856109889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418538728.

The product of its (nonzero) digits is 174182400, while the sum is 70.

The spelling of 7252856109889 in words is "seven trillion, two hundred fifty-two billion, eight hundred fifty-six million, one hundred nine thousand, eight hundred eighty-nine".

Divisors: 1 13 31 43 403 559 1333 17329 418538641 5441002333 12974697871 17997161563 168671072323 233963100319 557912008453 7252856109889