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10120041421 = 719372056501
BaseRepresentation
bin10010110110011001…
…11001001111001101
3222010021122100222221
421123030321033031
5131211212311141
64352111335341
7505532634640
oct113314711715
928107570887
1010120041421
1143235549a6
121b65221551
13c5382a1b9
146c008da57
153e36c0bd1
hex25b3393cd

10120041421 has 16 divisors (see below), whose sum is σ = 12503532160. Its totient is φ = 7995672000.

The previous prime is 10120041359. The next prime is 10120041461. The reversal of 10120041421 is 12414002101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10120041421 - 213 = 10120033229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10120041395 and 10120041404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120041461) 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 15 ways as a sum of consecutive naturals, for example, 1023330 + ... + 1033171.

It is an arithmetic number, because the mean of its divisors is an integer number (781470760).

Almost surely, 210120041421 is an apocalyptic number.

It is an amenable number.

10120041421 is a deficient number, since it is larger than the sum of its proper divisors (2383490739).

10120041421 is a wasteful number, since it uses less digits than its factorization.

10120041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056564.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10120041421 its reverse (12414002101), we get a palindrome (22534043522).

The spelling of 10120041421 in words is "ten billion, one hundred twenty million, forty-one thousand, four hundred twenty-one".

Divisors: 1 7 19 37 133 259 703 4921 2056501 14395507 39073519 76090537 273514633 532633759 1445720203 10120041421