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4247317020021 = 39934714250781
BaseRepresentation
bin111101110011100111110…
…100100111110101110101
3120001001001211022001102120
4331303213310213311311
51024042001124120041
613011105052030153
7615600321664605
oct75634764476565
916031054261376
104247317020021
111398305804299
125871a9a62359
1324a69c07caba
141097dd6acc05
15757384a2366
hex3dce7d27d75

4247317020021 has 8 divisors (see below), whose sum is σ = 5663146760544. Its totient is φ = 2831515979760.

The previous prime is 4247317019983. The next prime is 4247317020029. The reversal of 4247317020021 is 1200207137424.

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

It is not a de Polignac number, because 4247317020021 - 214 = 4247317003637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247317020029) 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, 6827350 + ... + 7423431.

It is an arithmetic number, because the mean of its divisors is an integer number (707893345068).

Almost surely, 24247317020021 is an apocalyptic number.

It is an amenable number.

4247317020021 is a deficient number, since it is larger than the sum of its proper divisors (1415829740523).

4247317020021 is a wasteful number, since it uses less digits than its factorization.

4247317020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14350131.

The product of its (nonzero) digits is 18816, while the sum is 33.

The spelling of 4247317020021 in words is "four trillion, two hundred forty-seven billion, three hundred seventeen million, twenty thousand, twenty-one".

Divisors: 1 3 99347 298041 14250781 42752343 1415772340007 4247317020021