Search a number
-
+
9871002941 is a prime number
BaseRepresentation
bin10010011000101101…
…11000110100111101
3221110221000220102112
421030112320310331
5130203434043231
64311253503405
7466420066142
oct111426706475
927427026375
109871002941
114205a18678
121ab5941b65
13c14063357
14698d843c9
153cb8cb92b
hex24c5b8d3d

9871002941 has 2 divisors, whose sum is σ = 9871002942. Its totient is φ = 9871002940.

The previous prime is 9871002937. The next prime is 9871002959. The reversal of 9871002941 is 1492001789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6348105625 + 3522897316 = 79675^2 + 59354^2 .

It is a cyclic number.

It is not a de Polignac number, because 9871002941 - 22 = 9871002937 is a prime.

It is a super-2 number, since 2×98710029412 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9871002971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4935501470 + 4935501471.

It is an arithmetic number, because the mean of its divisors is an integer number (4935501471).

Almost surely, 29871002941 is an apocalyptic number.

It is an amenable number.

9871002941 is a deficient number, since it is larger than the sum of its proper divisors (1).

9871002941 is an equidigital number, since it uses as much as digits as its factorization.

9871002941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 9871002941 is about 99352.9211498082. The cubic root of 9871002941 is about 2145.1307104435.

The spelling of 9871002941 in words is "nine billion, eight hundred seventy-one million, two thousand, nine hundred forty-one".