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10344220221 = 329157757319
BaseRepresentation
bin10011010001001000…
…00100011000111101
3222200220110211111110
421220210010120331
5132141110021341
64430240312233
7514224264306
oct115044043075
928626424443
1010344220221
114429051835
122008312679
13c8b0cb98a
14701b677ad
15408204216
hex26890463d

10344220221 has 16 divisors (see below), whose sum is σ = 14358787200. Its totient is φ = 6615930048.

The previous prime is 10344220171. The next prime is 10344220267. The reversal of 10344220221 is 12202244301.

It is not a de Polignac number, because 10344220221 - 225 = 10310665789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10344220021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365001 + ... + 392318.

It is an arithmetic number, because the mean of its divisors is an integer number (897424200).

Almost surely, 210344220221 is an apocalyptic number.

It is an amenable number.

10344220221 is a deficient number, since it is larger than the sum of its proper divisors (4014566979).

10344220221 is a wasteful number, since it uses less digits than its factorization.

10344220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757508.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10344220221 its reverse (12202244301), we get a palindrome (22546464522).

The spelling of 10344220221 in words is "ten billion, three hundred forty-four million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 29 87 157 471 4553 13659 757319 2271957 21962251 65886753 118899083 356697249 3448073407 10344220221