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10424430421 = 137119363781
BaseRepresentation
bin10011011010101100…
…00010111101010101
3222220111101221012121
421231112002331111
5132322123233141
64442223415541
7516220124266
oct115526027525
928814357177
1010424430421
11446a356959
12202b1545b1
13ca1903932
1470c68696d
1541029a1d1
hex26d582f55

10424430421 has 8 divisors (see below), whose sum is σ = 10509487704. Its totient is φ = 10339503360.

The previous prime is 10424430409. The next prime is 10424430433. The reversal of 10424430421 is 12403442401.

It is an interprime number because it is at equal distance from previous prime (10424430409) and next prime (10424430433).

It can be written as a sum of positive squares in 4 ways, for example, as 1976247025 + 8448183396 = 44455^2 + 91914^2 .

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 10424430421 - 217 = 10424299349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10424430491) 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, 131551 + ... + 195331.

It is an arithmetic number, because the mean of its divisors is an integer number (1313685963).

Almost surely, 210424430421 is an apocalyptic number.

It is an amenable number.

10424430421 is a deficient number, since it is larger than the sum of its proper divisors (85057283).

10424430421 is a wasteful number, since it uses less digits than its factorization.

10424430421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65111.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10424430421 its reverse (12403442401), we get a palindrome (22827872822).

The spelling of 10424430421 in words is "ten billion, four hundred twenty-four million, four hundred thirty thousand, four hundred twenty-one".

Divisors: 1 137 1193 63781 163441 8737997 76090733 10424430421