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189010407709 = 1727141026787
BaseRepresentation
bin1011000000000111100…
…1011111000100011101
3200001212110102112221201
42300001321133010131
511044043131021314
6222455152555501
716440565646224
oct2600171370435
9601773375851
10189010407709
11731824a1922
123076b252b91
1314a925c9b46
14921075dcbb
154db378db74
hex2c01e5f11d

189010407709 has 8 divisors (see below), whose sum is σ = 200867154048. Its totient is φ = 177235715520.

The previous prime is 189010407701. The next prime is 189010407713. The reversal of 189010407709 is 907704010981.

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 189010407709 - 23 = 189010407701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189010407701) 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, 20508787 + ... + 20518000.

It is an arithmetic number, because the mean of its divisors is an integer number (25108394256).

Almost surely, 2189010407709 is an apocalyptic number.

It is an amenable number.

189010407709 is a deficient number, since it is larger than the sum of its proper divisors (11856746339).

189010407709 is a wasteful number, since it uses less digits than its factorization.

189010407709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41027075.

The product of its (nonzero) digits is 127008, while the sum is 46.

The spelling of 189010407709 in words is "one hundred eighty-nine billion, ten million, four hundred seven thousand, seven hundred nine".

Divisors: 1 17 271 4607 41026787 697455379 11118259277 189010407709