Search a number
-
+
188105101153 is a prime number
BaseRepresentation
bin1010111100101111110…
…0000000111101100001
3122222112100221012211021
42233023330000331201
511040214401214103
6222225253045441
716406263656424
oct2571374007541
9588470835737
10188105101153
1172858475692
1230558026881
1314979b95ca8
1491664219bb
154d5e064bbd
hex2bcbf00f61

188105101153 has 2 divisors, whose sum is σ = 188105101154. Its totient is φ = 188105101152.

The previous prime is 188105101147. The next prime is 188105101187. The reversal of 188105101153 is 351101501881.

It is a happy number.

It is an a-pointer prime, because the next prime (188105101187) can be obtained adding 188105101153 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119831591889 + 68273509264 = 346167^2 + 261292^2 .

It is a cyclic number.

It is not a de Polignac number, because 188105101153 - 237 = 50666147681 is a prime.

It is not a weakly prime, because it can be changed into another prime (188105101123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94052550576 + 94052550577.

It is an arithmetic number, because the mean of its divisors is an integer number (94052550577).

Almost surely, 2188105101153 is an apocalyptic number.

It is an amenable number.

188105101153 is a deficient number, since it is larger than the sum of its proper divisors (1).

188105101153 is an equidigital number, since it uses as much as digits as its factorization.

188105101153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 34.

The spelling of 188105101153 in words is "one hundred eighty-eight billion, one hundred five million, one hundred one thousand, one hundred fifty-three".