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10140444121 = 17907657659
BaseRepresentation
bin10010111000110101…
…01110010111011001
3222011201000221020111
421130122232113121
5131231423202441
64354120524321
7506201232013
oct113432562731
928151027214
1010140444121
11433401a835
121b700206a1
13c57b219c2
146c2a811b3
153e53a1081
hex25c6ae5d9

10140444121 has 8 divisors (see below), whose sum is σ = 10748795040. Its totient is φ = 9533410368.

The previous prime is 10140444113. The next prime is 10140444133. The reversal of 10140444121 is 12144404101.

10140444121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10140444121 - 23 = 10140444113 is a prime.

It is a super-2 number, since 2×101404441212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10140444092 and 10140444101.

It is not an unprimeable number, because it can be changed into a prime (10140444101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313411 + ... + 344248.

It is an arithmetic number, because the mean of its divisors is an integer number (1343599380).

Almost surely, 210140444121 is an apocalyptic number.

It is an amenable number.

10140444121 is a deficient number, since it is larger than the sum of its proper divisors (608350919).

10140444121 is an equidigital number, since it uses as much as digits as its factorization.

10140444121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658583.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 10140444121 its reverse (12144404101), we get a palindrome (22284848222).

The spelling of 10140444121 in words is "ten billion, one hundred forty million, four hundred forty-four thousand, one hundred twenty-one".

Divisors: 1 17 907 15419 657659 11180203 596496713 10140444121