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10830163421 = 711140651473
BaseRepresentation
bin10100001011000011…
…10010110111011101
31000221202212022020202
422011201302313131
5134140010212141
64550355553245
7532244604320
oct120541626735
930852768222
1010830163421
114658388090
122122bbb825
1310379a182c
1474a5007b7
15435be249b
hex285872ddd

10830163421 has 8 divisors (see below), whose sum is σ = 13502541504. Its totient is φ = 8439088320.

The previous prime is 10830163339. The next prime is 10830163427. The reversal of 10830163421 is 12436103801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10830163421 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 (10830163427) 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, 70325660 + ... + 70325813.

It is an arithmetic number, because the mean of its divisors is an integer number (1687817688).

Almost surely, 210830163421 is an apocalyptic number.

10830163421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10830163421 is a deficient number, since it is larger than the sum of its proper divisors (2672378083).

10830163421 is a wasteful number, since it uses less digits than its factorization.

10830163421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140651491.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 10830163421 in words is "ten billion, eight hundred thirty million, one hundred sixty-three thousand, four hundred twenty-one".

Divisors: 1 7 11 77 140651473 984560311 1547166203 10830163421