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20768488767371 = 71569514084229
BaseRepresentation
bin1001011100011100010100…
…11001010011111110001011
32201112110002200122202211102
410232032022121103332023
510210232331111023441
6112100524555252015
74242321340535012
oct456161231237613
981473080582742
1020768488767371
116687959526314
1223b50a4a4a00b
13b785c9a72417
1451b2b358da79
15260381a3669b
hex12e38a653f8b

20768488767371 has 8 divisors (see below), whose sum is σ = 21098016799200. Its totient is φ = 20439988905280.

The previous prime is 20768488767347. The next prime is 20768488767373. The reversal of 20768488767371 is 17376788486702.

It is a happy number.

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

It is not a de Polignac number, because 20768488767371 - 26 = 20768488767307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20768488767373) 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, 257001716 + ... + 257082513.

It is an arithmetic number, because the mean of its divisors is an integer number (2637252099900).

Almost surely, 220768488767371 is an apocalyptic number.

20768488767371 is a deficient number, since it is larger than the sum of its proper divisors (329528031829).

20768488767371 is an equidigital number, since it uses as much as digits as its factorization.

20768488767371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514084869.

The product of its (nonzero) digits is 1062125568, while the sum is 74.

The spelling of 20768488767371 in words is "twenty trillion, seven hundred sixty-eight billion, four hundred eighty-eight million, seven hundred sixty-seven thousand, three hundred seventy-one".

Divisors: 1 71 569 40399 514084229 36499980259 292513926301 20768488767371