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83850854731 = 712019973933
BaseRepresentation
bin100111000010111100…
…1101000000101001011
322000102201011202121021
41032011321220011023
52333211304322411
6102304234453311
76025621335220
oct1160571500513
9260381152537
1083850854731
1132619692256
1214301594237
137ba3b96697
1440b6387947
1522ab5d2a71
hex1385e6814b

83850854731 has 8 divisors (see below), whose sum is σ = 95909349344. Its totient is φ = 71812310400.

The previous prime is 83850854699. The next prime is 83850854749. The reversal of 83850854731 is 13745805838.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83850854731 - 25 = 83850854699 is a prime.

It is a super-2 number, since 2×838508547312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83850854531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4978560 + ... + 4995373.

It is an arithmetic number, because the mean of its divisors is an integer number (11988668668).

Almost surely, 283850854731 is an apocalyptic number.

83850854731 is a deficient number, since it is larger than the sum of its proper divisors (12058494613).

83850854731 is a wasteful number, since it uses less digits than its factorization.

83850854731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975141.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 83850854731 in words is "eighty-three billion, eight hundred fifty million, eight hundred fifty-four thousand, seven hundred thirty-one".

Divisors: 1 7 1201 8407 9973933 69817531 11978693533 83850854731