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20076211788081 = 3177113763402847
BaseRepresentation
bin1001001000010010110110…
…11110001101100100110001
32122002021012201101110211120
410210021123132031210301
510112412040204204311
6110410515005132453
74141313146361601
oct444113336154461
978067181343746
1020076211788081
116440301194469
122302aa285a129
13b2824264ab27
144d599dc52c01
1524c3659b6706
hex12425b78d931

20076211788081 has 32 divisors (see below), whose sum is σ = 28744242536448. Its totient is φ = 12418485300480.

The previous prime is 20076211787999. The next prime is 20076211788097. The reversal of 20076211788081 is 18088711267002.

It is not a de Polignac number, because 20076211788081 - 213 = 20076211779889 is a prime.

It is a super-2 number, since 2×200762117880812 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (20076211788481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49634400 + ... + 50037246.

It is an arithmetic number, because the mean of its divisors is an integer number (898257579264).

Almost surely, 220076211788081 is an apocalyptic number.

It is an amenable number.

20076211788081 is a deficient number, since it is larger than the sum of its proper divisors (8668030748367).

20076211788081 is a wasteful number, since it uses less digits than its factorization.

20076211788081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416701.

The product of its (nonzero) digits is 602112, while the sum is 51.

The spelling of 20076211788081 in words is "twenty trillion, seventy-six billion, two hundred eleven million, seven hundred eighty-eight thousand, eighty-one".

Divisors: 1 3 17 51 71 213 1207 3621 13763 41289 233971 402847 701913 977173 1208541 2931519 6848399 16611941 20545197 28602137 49835823 85806411 486236329 1458708987 5544383261 16633149783 94254515437 282763546311 393651211531 1180953634593 6692070596027 20076211788081