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83101118806457 = 773107504681509
BaseRepresentation
bin10010111001010001111100…
…101010101011100110111001
3101220020101111211222220020222
4102321101330222223212321
541343012042403301312
6452424043231025425
723334600123054353
oct2271217452534671
9356211454886228
1083101118806457
1124529a94140854
1293a167866b275
13374a52bc085bb
1416741893440d3
159919b6715672
hex4b947caab9b9

83101118806457 has 4 divisors (see below), whose sum is σ = 83208623488740. Its totient is φ = 82993614124176.

The previous prime is 83101118806411. The next prime is 83101118806481. The reversal of 83101118806457 is 75460881110138.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35147100393001 + 47954018413456 = 5928499^2 + 6924884^2 .

It is a cyclic number.

It is not a de Polignac number, because 83101118806457 - 220 = 83101117757881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83101118806399 and 83101118806408.

It is not an unprimeable number, because it can be changed into a prime (83101118803457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53752339982 + ... + 53752341527.

It is an arithmetic number, because the mean of its divisors is an integer number (20802155872185).

Almost surely, 283101118806457 is an apocalyptic number.

It is an amenable number.

83101118806457 is a deficient number, since it is larger than the sum of its proper divisors (107504682283).

83101118806457 is a wasteful number, since it uses less digits than its factorization.

83101118806457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107504682282.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 83101118806457 in words is "eighty-three trillion, one hundred one billion, one hundred eighteen million, eight hundred six thousand, four hundred fifty-seven".

Divisors: 1 773 107504681509 83101118806457