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9962013642 = 237154012
BaseRepresentation
bin10010100011100100…
…00100001111001010
3221201021021201122020
421101302010033022
5130400233414032
64324304305310
7501603501360
oct112162041712
927637251566
109962013642
11425232a329
121b20312236
13c29b7a339
146a70b5630
153d48a7b2c
hex251c843ca

9962013642 has 24 divisors (see below), whose sum is σ = 22771795488. Its totient is φ = 2846104800.

The previous prime is 9962013641. The next prime is 9962013653. The reversal of 9962013642 is 2463102699.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 9962013594 and 9962013603.

It is not an unprimeable number, because it can be changed into a prime (9962013641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639142 + ... + 654542.

It is an arithmetic number, because the mean of its divisors is an integer number (948824812).

Almost surely, 29962013642 is an apocalyptic number.

9962013642 is an abundant number, since it is smaller than the sum of its proper divisors (12809781846).

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

9962013642 is an frugal number, since it uses more digits than its factorization.

9962013642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30814 (or 15413 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 9962013642 is about 99809.8874961795. The cubic root of 9962013642 is about 2151.7032576204.

Multiplying 9962013642 by its sum of digits (42), we get a square (418404572964 = 6468422).

9962013642 divided by its sum of digits (42) gives a square (237190801 = 154012).

The spelling of 9962013642 in words is "nine billion, nine hundred sixty-two million, thirteen thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 15401 30802 46203 92406 107807 215614 323421 646842 237190801 474381602 711572403 1423144806 1660335607 3320671214 4981006821 9962013642