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10402421244 = 2231750992261
BaseRepresentation
bin10011011000000100…
…00101100111111100
3222211221222202021220
421230002011213330
5132301004434434
64440115553340
7515532056505
oct115402054774
928757882256
1010402421244
114458994056
1220238bb850
13c9a198b57
14709797bac
1540d39dd49
hex26c0859fc

10402421244 has 24 divisors (see below), whose sum is σ = 25700100048. Its totient is φ = 3263504640.

The previous prime is 10402421221. The next prime is 10402421299. The reversal of 10402421244 is 44212420401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25495927 + ... + 25496334.

It is an arithmetic number, because the mean of its divisors is an integer number (1070837502).

Almost surely, 210402421244 is an apocalyptic number.

It is an amenable number.

10402421244 is an abundant number, since it is smaller than the sum of its proper divisors (15297678804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10402421244 is a wasteful number, since it uses less digits than its factorization.

10402421244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50992285 (or 50992283 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 10402421244 its reverse (44212420401), we get a palindrome (54614841645).

The spelling of 10402421244 in words is "ten billion, four hundred two million, four hundred twenty-one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 50992261 101984522 152976783 203969044 305953566 611907132 866868437 1733736874 2600605311 3467473748 5201210622 10402421244