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10080820001 = 71440117143
BaseRepresentation
bin10010110001101110…
…10001101100100001
3222000112211201022202
421120313101230201
5131121142220001
64344150542545
7504545361530
oct113067215441
928015751282
1010080820001
1143033a62aa
121b54067a55
13c48676b65
146b8ba0317
153e002496b
hex258dd1b21

10080820001 has 4 divisors (see below), whose sum is σ = 11520937152. Its totient is φ = 8640702852.

The previous prime is 10080819977. The next prime is 10080820037. The reversal of 10080820001 is 10002808001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10002808001 = 19526463579.

It is a cyclic number.

It is not a de Polignac number, because 10080820001 - 214 = 10080803617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10080826001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720058565 + ... + 720058578.

It is an arithmetic number, because the mean of its divisors is an integer number (2880234288).

Almost surely, 210080820001 is an apocalyptic number.

It is an amenable number.

10080820001 is a deficient number, since it is larger than the sum of its proper divisors (1440117151).

10080820001 is an equidigital number, since it uses as much as digits as its factorization.

10080820001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440117150.

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 10080820001 in words is "ten billion, eighty million, eight hundred twenty thousand, one".

Divisors: 1 7 1440117143 10080820001