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20116164121415 = 5471072513187277
BaseRepresentation
bin1001001001011101010001…
…10100010001001101000111
32122020002100001202021221222
410210232220310101031013
510114040401003341130
6110441123242230555
74144226204533535
oct444565064211507
978202301667858
1020116164121415
11645624324586a
12230a7927b545b
13b2bc3b88105b
144d78add73155
1524d4031d4ce5
hex124ba8d11347

20116164121415 has 32 divisors (see below), whose sum is σ = 24982547917824. Its totient is φ = 15541157776000.

The previous prime is 20116164121369. The next prime is 20116164121451. The reversal of 20116164121415 is 51412146161102.

It is not a de Polignac number, because 20116164121415 - 26 = 20116164121351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4717757 + ... + 7905033.

It is an arithmetic number, because the mean of its divisors is an integer number (780704622432).

Almost surely, 220116164121415 is an apocalyptic number.

20116164121415 is a deficient number, since it is larger than the sum of its proper divisors (4866383796409).

20116164121415 is a wasteful number, since it uses less digits than its factorization.

20116164121415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187687.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 20116164121415 in words is "twenty trillion, one hundred sixteen billion, one hundred sixty-four million, one hundred twenty-one thousand, four hundred fifteen".

Divisors: 1 5 47 107 235 251 535 1255 5029 11797 25145 26857 58985 134285 1262279 3187277 6311395 15936385 149802019 341038639 749010095 800006527 1705193195 4000032635 16028816033 37600306769 80144080165 85600698389 188001533845 428003491945 4023232824283 20116164121415