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8101000001018 = 231130661290339
BaseRepresentation
bin111010111100010100100…
…1110100011010111111010
31001200110002121201001121202
41311320221032203113322
52030211322000013033
625121314212334202
71464164221601501
oct165705116432772
931613077631552
108101000001018
112643684342961
12aaa040614362
13469bc8641382
1420013a44b838
15e0ad3d818e8
hex75e293a35fa

8101000001018 has 8 divisors (see below), whose sum is σ = 12543483872640. Its totient is φ = 3919838710140.

The previous prime is 8101000001011. The next prime is 8101000001021.

8101000001018 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

8101000001018 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (8101000001011) 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, 65330645108 + ... + 65330645231.

It is an arithmetic number, because the mean of its divisors is an integer number (1567935484080).

Almost surely, 28101000001018 is an apocalyptic number.

8101000001018 is a deficient number, since it is larger than the sum of its proper divisors (4442483871622).

8101000001018 is a wasteful number, since it uses less digits than its factorization.

8101000001018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130661290372.

The product of its (nonzero) digits is 64, while the sum is 20.

It can be divided in two parts, 810100000 and 1018, that added together give a palindrome (810101018).

The spelling of 8101000001018 in words is "eight trillion, one hundred one billion, one thousand, eighteen".

Divisors: 1 2 31 62 130661290339 261322580678 4050500000509 8101000001018