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10342443221 = 111755307183
BaseRepresentation
bin10011010000111010…
…10010100011010101
3222200210010112220122
421220131102203111
5132140131140341
64430134241325
7514203213455
oct115035224325
928623115818
1010342443221
114428048740
1220077b6245
13c8a928bb6
14701823d65
15407ea294b
hex2687528d5

10342443221 has 8 divisors (see below), whose sum is σ = 11946351744. Its totient is φ = 8849149120.

The previous prime is 10342443191. The next prime is 10342443227. The reversal of 10342443221 is 12234424301.

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

It is a cyclic number.

It is not a de Polignac number, because 10342443221 - 26 = 10342443157 is a prime.

It is a super-2 number, since 2×103424432212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10342443227) 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, 27653405 + ... + 27653778.

It is an arithmetic number, because the mean of its divisors is an integer number (1493293968).

Almost surely, 210342443221 is an apocalyptic number.

10342443221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10342443221 is a deficient number, since it is larger than the sum of its proper divisors (1603908523).

10342443221 is a wasteful number, since it uses less digits than its factorization.

10342443221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55307211.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 10342443221 its reverse (12234424301), we get a palindrome (22576867522).

The spelling of 10342443221 in words is "ten billion, three hundred forty-two million, four hundred forty-three thousand, two hundred twenty-one".

Divisors: 1 11 17 187 55307183 608379013 940222111 10342443221