Search a number
-
+
20570187202070 = 2511187001701837
BaseRepresentation
bin1001010110101010111101…
…01100110111111000010110
32200211111020201021111201212
410223111132230313320112
510144010220410431240
6111425451420421422
74222101262203452
oct453253654677026
980744221244655
1020570187202070
116610849459260
1223827820a7872
13b629b65a21bc
14511860ca7662
1525a127757165
hex12b55eb37e16

20570187202070 has 16 divisors (see below), whose sum is σ = 40392367597008. Its totient is φ = 7480068073440.

The previous prime is 20570187202049. The next prime is 20570187202073. The reversal of 20570187202070 is 7020278107502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20570187202073) 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, 93500850809 + ... + 93500851028.

It is an arithmetic number, because the mean of its divisors is an integer number (2524522974813).

Almost surely, 220570187202070 is an apocalyptic number.

20570187202070 is a deficient number, since it is larger than the sum of its proper divisors (19822180394938).

20570187202070 is a wasteful number, since it uses less digits than its factorization.

20570187202070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187001701855.

The product of its (nonzero) digits is 109760, while the sum is 41.

The spelling of 20570187202070 in words is "twenty trillion, five hundred seventy billion, one hundred eighty-seven million, two hundred two thousand, seventy".

Divisors: 1 2 5 10 11 22 55 110 187001701837 374003403674 935008509185 1870017018370 2057018720207 4114037440414 10285093601035 20570187202070