Search a number
-
+
190880408773 is a prime number
BaseRepresentation
bin1011000111000101011…
…0111110010011000101
3200020200210011110011101
42301301112332103011
511111410341040043
6223404513340101
716535123463325
oct2616126762305
9606623143141
10190880408773
1173a5201834a
1230bb1567631
1314cccb59052
14934ac59285
154e72a2324d
hex2c715be4c5

190880408773 has 2 divisors, whose sum is σ = 190880408774. Its totient is φ = 190880408772.

The previous prime is 190880408753. The next prime is 190880408801. The reversal of 190880408773 is 377804088091.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114827455044 + 76052953729 = 338862^2 + 275777^2 .

It is a cyclic number.

It is not a de Polignac number, because 190880408773 - 217 = 190880277701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190880408713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95440204386 + 95440204387.

It is an arithmetic number, because the mean of its divisors is an integer number (95440204387).

Almost surely, 2190880408773 is an apocalyptic number.

It is an amenable number.

190880408773 is a deficient number, since it is larger than the sum of its proper divisors (1).

190880408773 is an equidigital number, since it uses as much as digits as its factorization.

190880408773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 190880408773 in words is "one hundred ninety billion, eight hundred eighty million, four hundred eight thousand, seven hundred seventy-three".