Search a number
-
+
19434192670195 = 55965878619221
BaseRepresentation
bin1000110101100111000000…
…01001101000110111110011
32112210220001022011001210221
410122303200021220313303
510021402211310421240
6105155540031233511
74044034261044652
oct432634011506763
975726038131727
1019434192670195
116212aa4128766
12221a587978897
13aac83752bc74
144b28971ab199
1523a7dbc74a4a
hex11ace0268df3

19434192670195 has 8 divisors (see below), whose sum is σ = 23716302919920. Its totient is φ = 15283839659040.

The previous prime is 19434192670147. The next prime is 19434192670199. The reversal of 19434192670195 is 59107629143491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-19434192670195 is a prime.

It is a super-2 number, since 2×194341926701952 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19434192670199) 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, 32939309316 + ... + 32939309905.

It is an arithmetic number, because the mean of its divisors is an integer number (2964537864990).

Almost surely, 219434192670195 is an apocalyptic number.

19434192670195 is a deficient number, since it is larger than the sum of its proper divisors (4282110249725).

19434192670195 is an equidigital number, since it uses as much as digits as its factorization.

19434192670195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65878619285.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 19434192670195 in words is "nineteen trillion, four hundred thirty-four billion, one hundred ninety-two million, six hundred seventy thousand, one hundred ninety-five".

Divisors: 1 5 59 295 65878619221 329393096105 3886838534039 19434192670195