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20102211122193 = 35135283611497
BaseRepresentation
bin1001001001000011010010…
…01001110011010000010001
32122011202022122201111100000
410210201221021303100101
510113323312021402233
6110430454525120213
74143223350151524
oct444415111632021
978152278644300
1020102211122193
116450333129a52
122307b399b9069
13b2a826c1a3b5
144d6d48c12bbb
1524cd88287d13
hex124869273411

20102211122193 has 24 divisors (see below), whose sum is σ = 30112225937248. Its totient is φ = 13401353103264.

The previous prime is 20102211122171. The next prime is 20102211122233. The reversal of 20102211122193 is 39122111220102.

20102211122193 is a `hidden beast` number, since 201 + 0 + 221 + 11 + 221 + 9 + 3 = 666.

It is not a de Polignac number, because 20102211122193 - 210 = 20102211121169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102211122293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32568021 + ... + 33179517.

Almost surely, 220102211122193 is an apocalyptic number.

It is an amenable number.

20102211122193 is a deficient number, since it is larger than the sum of its proper divisors (10010014815055).

20102211122193 is an equidigital number, since it uses as much as digits as its factorization.

20102211122193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746795 (or 746783 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 20102211122193 its reverse (39122111220102), we get a palindrome (59224322342295).

The spelling of 20102211122193 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one hundred twenty-two thousand, one hundred ninety-three".

Divisors: 1 3 9 27 81 243 135283 405849 611497 1217547 1834491 3652641 5503473 10957923 16510419 32873769 49531257 148593771 82725148651 248175445953 744526337859 2233579013577 6700737040731 20102211122193