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10111811101 = 78681166403
BaseRepresentation
bin10010110101011010…
…11111111000011101
3222002201011020010021
421122231133320131
5131202110423401
64351215112141
7505402655560
oct113255377035
928081136107
1010111811101
114319943387
121b62512651
13c51c07ca2
146bcd4a4d7
153e2ae72a1
hex25ab5fe1d

10111811101 has 8 divisors (see below), whose sum is σ = 11557756224. Its totient is φ = 8666216160.

The previous prime is 10111811063. The next prime is 10111811119.

10111811101 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 10111811101 - 29 = 10111810589 is a prime.

10111811101 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111811131) 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, 22435 + ... + 143968.

It is an arithmetic number, because the mean of its divisors is an integer number (1444719528).

Almost surely, 210111811101 is an apocalyptic number.

It is an amenable number.

10111811101 is a deficient number, since it is larger than the sum of its proper divisors (1445945123).

10111811101 is an equidigital number, since it uses as much as digits as its factorization.

10111811101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175091.

The product of its (nonzero) digits is 8, while the sum is 16.

The spelling of 10111811101 in words is "ten billion, one hundred eleven million, eight hundred eleven thousand, one hundred one".

Divisors: 1 7 8681 60767 166403 1164821 1444544443 10111811101