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4872121712641 = 85722531252323
BaseRepresentation
bin100011011100110000100…
…0101011000000000000001
3122020202210112120001101001
41012321201011120000001
51114311101124301031
614210115525012001
71011666501153001
oct106714105300001
918222715501331
104872121712641
111609289766557
126682bb854001
13294592940401
1412bb51dba001
1586b05cb3861
hex46e61158001

4872121712641 has 8 divisors (see below), whose sum is σ = 4878042627744. Its totient is φ = 4866201348960.

The previous prime is 4872121712629. The next prime is 4872121712657. The reversal of 4872121712641 is 1462171212784.

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-4872121712641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4872121712591 and 4872121712600.

It is not an unprimeable number, because it can be changed into a prime (4872121712611) 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, 19182906 + ... + 19435228.

It is an arithmetic number, because the mean of its divisors is an integer number (609755328468).

Almost surely, 24872121712641 is an apocalyptic number.

It is an amenable number.

4872121712641 is a deficient number, since it is larger than the sum of its proper divisors (5920915103).

4872121712641 is a wasteful number, since it uses less digits than its factorization.

4872121712641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275711.

The product of its digits is 301056, while the sum is 46.

The spelling of 4872121712641 in words is "four trillion, eight hundred seventy-two billion, one hundred twenty-one million, seven hundred twelve thousand, six hundred forty-one".

Divisors: 1 857 22531 252323 19309067 216240811 5685089513 4872121712641