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10421454639 = 316692081377
BaseRepresentation
bin10011011010010101…
…01100011100101111
3222220021210202012110
421231022230130233
5132320343022024
64442035535103
7516152621451
oct115512543457
928807722173
1010421454639
114468704132
12202a15a493
13ca110130b
1470c1102d1
1540edad629
hex26d2ac72f

10421454639 has 8 divisors (see below), whose sum is σ = 13903605040. Its totient is φ = 6943470336.

The previous prime is 10421454611. The next prime is 10421454649. The reversal of 10421454639 is 93645412401.

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

It is not a de Polignac number, because 10421454639 - 216 = 10421389103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10421454597 and 10421454606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421454649) 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, 1035682 + ... + 1045695.

It is an arithmetic number, because the mean of its divisors is an integer number (1737950630).

Almost surely, 210421454639 is an apocalyptic number.

10421454639 is a deficient number, since it is larger than the sum of its proper divisors (3482150401).

10421454639 is a wasteful number, since it uses less digits than its factorization.

10421454639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083049.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 10421454639 in words is "ten billion, four hundred twenty-one million, four hundred fifty-four thousand, six hundred thirty-nine".

Divisors: 1 3 1669 5007 2081377 6244131 3473818213 10421454639