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9845703421 = 43883259309
BaseRepresentation
bin10010010101101100…
…11000001011111101
3221102011102120000021
421022312120023331
5130131000002141
64304551332141
7465662045461
oct111266301375
927364376007
109845703421
1141a2708784
121aa9381051
13c0ba45a18
1469587a4a1
153c95806d1
hex24ad982fd

9845703421 has 8 divisors (see below), whose sum is σ = 10086121760. Its totient is φ = 9605805552.

The previous prime is 9845703419. The next prime is 9845703437. The reversal of 9845703421 is 1243075489.

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

It is a 7-Lehmer number, since φ(9845703421) divides (9845703421-1)7.

It is a cyclic number.

It is not a de Polignac number, because 9845703421 - 21 = 9845703419 is a prime.

It is a super-3 number, since 3×98457034213 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9845703451) 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, 91686 + ... + 167623.

It is an arithmetic number, because the mean of its divisors is an integer number (1260765220).

Almost surely, 29845703421 is an apocalyptic number.

It is an amenable number.

9845703421 is a deficient number, since it is larger than the sum of its proper divisors (240418339).

9845703421 is a wasteful number, since it uses less digits than its factorization.

9845703421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260235.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 9845703421 is about 99225.5179931050. The cubic root of 9845703421 is about 2143.2964757205.

The spelling of 9845703421 in words is "nine billion, eight hundred forty-five million, seven hundred three thousand, four hundred twenty-one".

Divisors: 1 43 883 37969 259309 11150287 228969847 9845703421