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42881831315853 = 347347876445139
BaseRepresentation
bin10011100000000001101000…
…10100101010100110001101
312121211110111112222011100020
421300000310110222212031
521110033442304101403
6231111350310452353
712014052520051515
oct1160006424524615
9177743445864306
1042881831315853
111273309a93a402
1249869526640b9
131ac097c44624a
14a836c5374845
154e56c514c453
hex27003452a98d

42881831315853 has 16 divisors (see below), whose sum is σ = 58560558474240. Its totient is φ = 27899001632816.

The previous prime is 42881831315837. The next prime is 42881831315899. The reversal of 42881831315853 is 35851313818824.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42881831315853 - 24 = 42881831315837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42881831311853) 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, 438173643 + ... + 438271496.

It is an arithmetic number, because the mean of its divisors is an integer number (3660034904640).

Almost surely, 242881831315853 is an apocalyptic number.

It is an amenable number.

42881831315853 is a deficient number, since it is larger than the sum of its proper divisors (15678727158387).

42881831315853 is a wasteful number, since it uses less digits than its factorization.

42881831315853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876445536.

The product of its digits is 22118400, while the sum is 60.

The spelling of 42881831315853 in words is "forty-two trillion, eight hundred eighty-one billion, eight hundred thirty-one million, three hundred fifteen thousand, eight hundred fifty-three".

Divisors: 1 3 47 141 347 1041 16309 48927 876445139 2629335417 41192921533 123578764599 304126463233 912379389699 14293943771951 42881831315853