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20768221006702 = 2137310942160699
BaseRepresentation
bin1001011100011011110100…
…11011111000101101101110
32201112102102000211010020121
410232031322123320231232
510210231304034203302
6112100442232235154
74242311606601451
oct456157233705556
981472360733217
1020768221006702
116687831371804
1223b502b23baba
13b78586451960
1451b289bad498
15260368294e37
hex12e37a6f8b6e

20768221006702 has 16 divisors (see below), whose sum is σ = 34008235455600. Its totient is φ = 9454026843072.

The previous prime is 20768221006679. The next prime is 20768221006717. The reversal of 20768221006702 is 20760012286702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5471078452 + ... + 5471082247.

It is an arithmetic number, because the mean of its divisors is an integer number (2125514715975).

Almost surely, 220768221006702 is an apocalyptic number.

20768221006702 is a deficient number, since it is larger than the sum of its proper divisors (13240014448898).

20768221006702 is a wasteful number, since it uses less digits than its factorization.

20768221006702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10942160787.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 20768221006702 in words is "twenty trillion, seven hundred sixty-eight billion, two hundred twenty-one million, six thousand, seven hundred two".

Divisors: 1 2 13 26 73 146 949 1898 10942160699 21884321398 142248089087 284496178174 798777731027 1597555462054 10384110503351 20768221006702