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189462002531 = 3137749922027
BaseRepresentation
bin1011000001110011010…
…0001011101101100011
3200010000221011221120212
42300130310023231203
511101004233040111
6223012044124335
716455021310214
oct2603464135543
9603027157525
10189462002531
11733943a778a
12308765366ab
1314b35034709
14925471540b
154ddd24498b
hex2c1cd0bb63

189462002531 has 16 divisors (see below), whose sum is σ = 200895360000. Its totient is φ = 178363023840.

The previous prime is 189462002519. The next prime is 189462002549. The reversal of 189462002531 is 135200264981.

189462002531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-189462002531 is a prime.

It is a super-2 number, since 2×1894620025312 (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 (189462002581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8590340 + ... + 8612366.

It is an arithmetic number, because the mean of its divisors is an integer number (12555960000).

Almost surely, 2189462002531 is an apocalyptic number.

189462002531 is a deficient number, since it is larger than the sum of its proper divisors (11433357469).

189462002531 is a wasteful number, since it uses less digits than its factorization.

189462002531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29594.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 189462002531 in words is "one hundred eighty-nine billion, four hundred sixty-two million, two thousand, five hundred thirty-one".

Divisors: 1 31 37 1147 7499 22027 232469 277463 682837 814999 8601353 25264969 165180473 5120594663 6111677501 189462002531