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830972945087 = 4171285459617
BaseRepresentation
bin11000001011110011101…
…10001110001010111111
32221102212221012101002222
430011321312032022333
5102103313033220322
61433424350035555
7114015166330325
oct14057166161277
92842787171088
10830972945087
112a046062287a
1211506b1a8bbb
136048ba9830c
142c30dab7d15
1516937555e42
hexc179d8e2bf

830972945087 has 8 divisors (see below), whose sum is σ = 863229884832. Its totient is φ = 799286924800.

The previous prime is 830972945083. The next prime is 830972945107. The reversal of 830972945087 is 780549279038.

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 830972945087 - 22 = 830972945083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830972945081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142726898 + ... + 142732719.

It is an arithmetic number, because the mean of its divisors is an integer number (107903735604).

Almost surely, 2830972945087 is an apocalyptic number.

830972945087 is a deficient number, since it is larger than the sum of its proper divisors (32256939745).

830972945087 is a wasteful number, since it uses less digits than its factorization.

830972945087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285459729.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 830972945087 in words is "eight hundred thirty billion, nine hundred seventy-two million, nine hundred forty-five thousand, eighty-seven".

Divisors: 1 41 71 2911 285459617 11703844297 20267632807 830972945087