Search a number
-
+
10220110021 = 117271277993
BaseRepresentation
bin10011000010010101…
…01000000011000101
3222101020221101022101
421201022220003011
5131412322010041
64410044232101
7511156334062
oct114112500305
928336841271
1010220110021
114374a92a20
121b9283b631
13c6b495ca4
146cd49bc69
153ec38ab31
hex2612a80c5

10220110021 has 8 divisors (see below), whose sum is σ = 11164555584. Its totient is φ = 9278221920.

The previous prime is 10220109973. The next prime is 10220110093. The reversal of 10220110021 is 12001102201.

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

It is not a de Polignac number, because 10220110021 - 217 = 10219978949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220710021) 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, 631000 + ... + 646993.

It is an arithmetic number, because the mean of its divisors is an integer number (1395569448).

Almost surely, 210220110021 is an apocalyptic number.

10220110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10220110021 is a deficient number, since it is larger than the sum of its proper divisors (944445563).

10220110021 is a wasteful number, since it uses less digits than its factorization.

10220110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278731.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10220110021 its reverse (12001102201), we get a palindrome (22221212222).

The spelling of 10220110021 in words is "ten billion, two hundred twenty million, one hundred ten thousand, twenty-one".

Divisors: 1 11 727 7997 1277993 14057923 929100911 10220110021