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131858042117 = 1513253268439
BaseRepresentation
bin111101011001101011…
…0100000110100000101
3110121100102011120020112
41322303112200310011
54130021124321432
6140324051242405
712345364602524
oct1726326406405
9417312146215
10131858042117
1150a1447772a
122167aba9405
13c584b07639
14654c1704bb
15366b0347b2
hex1eb35a0d05

131858042117 has 8 divisors (see below), whose sum is σ = 132772571520. Its totient is φ = 130944056400.

The previous prime is 131858042083. The next prime is 131858042143. The reversal of 131858042117 is 711240858131.

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 131858042117 - 222 = 131853847813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131858044117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356984 + ... + 625422.

It is an arithmetic number, because the mean of its divisors is an integer number (16596571440).

Almost surely, 2131858042117 is an apocalyptic number.

It is an amenable number.

131858042117 is a deficient number, since it is larger than the sum of its proper divisors (914529403).

131858042117 is a wasteful number, since it uses less digits than its factorization.

131858042117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271843.

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 131858042117 in words is "one hundred thirty-one billion, eight hundred fifty-eight million, forty-two thousand, one hundred seventeen".

Divisors: 1 151 3253 268439 491203 40534289 873232067 131858042117