Search a number
-
+
10220140210 = 257220857429
BaseRepresentation
bin10011000010010101…
…01111011010110010
3222101020222220201111
421201022233122302
5131412323441320
64410045023534
7511156521100
oct114112573262
928336886644
1010220140210
114375003675
121b92854baa
13c6b4a6957
146cd4a8c70
153ec394a5a
hex2612af6b2

10220140210 has 24 divisors (see below), whose sum is σ = 21399723180. Its totient is φ = 3504047904.

The previous prime is 10220140159. The next prime is 10220140211. The reversal of 10220140210 is 1204102201.

It is a happy number.

10220140210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9053712801 + 1166427409 = 95151^2 + 34153^2 .

It is not an unprimeable number, because it can be changed into a prime (10220140211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10428225 + ... + 10429204.

Almost surely, 210220140210 is an apocalyptic number.

10220140210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10220140210 is an abundant number, since it is smaller than the sum of its proper divisors (11179582970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10220140210 is a wasteful number, since it uses less digits than its factorization.

10220140210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20857450 (or 20857443 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10220140210 its reverse (1204102201), we get a palindrome (11424242411).

The spelling of 10220140210 in words is "ten billion, two hundred twenty million, one hundred forty thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 20857429 41714858 104287145 146002003 208574290 292004006 730010015 1022014021 1460020030 2044028042 5110070105 10220140210