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42853557312831 = 3131114827949621
BaseRepresentation
bin10011011111001100111110…
…00011111001110100111111
312121201202112002102222201010
421233212133003321310333
521104103041133002311
6231050352532450303
712012032046022026
oct1157463703716477
9177652462388633
1042853557312831
1112722100a05461
124981381779993
131abb0c4830645
14a821a225b8bd
154e4abcd0eda6
hex26f99f0f9d3f

42853557312831 has 16 divisors (see below), whose sum is σ = 57574806968448. Its totient is φ = 28350677191200.

The previous prime is 42853557312829. The next prime is 42853557312871. The reversal of 42853557312831 is 13821375535824.

It is not a de Polignac number, because 42853557312831 - 21 = 42853557312829 is a prime.

It is a super-2 number, since 2×428535573128312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42853557312871) 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, 44652201 + ... + 45601821.

It is an arithmetic number, because the mean of its divisors is an integer number (3598425435528).

Almost surely, 242853557312831 is an apocalyptic number.

42853557312831 is a deficient number, since it is larger than the sum of its proper divisors (14721249655617).

42853557312831 is a wasteful number, since it uses less digits than its factorization.

42853557312831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064582.

The product of its digits is 24192000, while the sum is 57.

The spelling of 42853557312831 in words is "forty-two trillion, eight hundred fifty-three billion, five hundred fifty-seven million, three hundred twelve thousand, eight hundred thirty-one".

Divisors: 1 3 131 393 114827 344481 949621 2848863 15042337 45127011 124400351 373201053 109042130567 327126391701 14284519104277 42853557312831