Search a number
-
+
10220232209 = 11284464729
BaseRepresentation
bin10011000010010110…
…00101111000010001
3222101021011120220212
421201023011320101
5131412334412314
64410051013505
7511160353235
oct114113057021
928337146825
1010220232209
114375066800
121b9289a295
13c6b5097a5
146cd4d05c5
153ec3b1e3e
hex2612c5e11

10220232209 has 6 divisors (see below), whose sum is σ = 11233809090. Its totient is φ = 9291120080.

The previous prime is 10220232199. The next prime is 10220232233. The reversal of 10220232209 is 90223202201.

It can be written as a sum of positive squares in only one way, i.e., 5516329984 + 4703902225 = 74272^2 + 68585^2 .

It is not a de Polignac number, because 10220232209 - 232 = 5925264913 is a prime.

It is a super-3 number, since 3×102202322093 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220232299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42232244 + ... + 42232485.

It is an arithmetic number, because the mean of its divisors is an integer number (1872301515).

Almost surely, 210220232209 is an apocalyptic number.

It is an amenable number.

10220232209 is a deficient number, since it is larger than the sum of its proper divisors (1013576881).

10220232209 is an equidigital number, since it uses as much as digits as its factorization.

10220232209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84464751 (or 84464740 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 10220232209 in words is "ten billion, two hundred twenty million, two hundred thirty-two thousand, two hundred nine".

Divisors: 1 11 121 84464729 929112019 10220232209