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189747360001 = 8911360131393
BaseRepresentation
bin1011000010110111010…
…0101111000100000001
3200010202211010121110001
42300231310233010001
511102100311010001
6223100240240001
716465054643203
oct2605564570401
9603684117401
10189747360001
1173520490001
1230936010001
1314b7c1a67a4
149280596773
154e08310001
hex2c2dd2f101

189747360001 has 16 divisors (see below), whose sum is σ = 193905668880. Its totient is φ = 185639731200.

The previous prime is 189747359969. The next prime is 189747360017. The reversal of 189747360001 is 100063747981.

It is a Cunningham number, because it is equal to 6604+1.

It can be written as a sum of positive squares in 8 ways, for example, as 347449600 + 189399910401 = 18640^2 + 435201^2 .

It is a cyclic number.

It is not a de Polignac number, because 189747360001 - 25 = 189747359969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189747360041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6028561 + ... + 6059953.

It is an arithmetic number, because the mean of its divisors is an integer number (12119104305).

Almost surely, 2189747360001 is an apocalyptic number.

It is an amenable number.

189747360001 is a deficient number, since it is larger than the sum of its proper divisors (4158308879).

189747360001 is a wasteful number, since it uses less digits than its factorization.

189747360001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32196.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 189747360001 in words is "one hundred eighty-nine billion, seven hundred forty-seven million, three hundred sixty thousand, one".

Divisors: 1 89 113 601 10057 31393 53489 67913 2793977 3547409 6044257 18867193 315719401 1679180177 2131992809 189747360001