Search a number
-
+
2010997951 is a prime number
BaseRepresentation
bin111011111011101…
…0110010010111111
312012011001021120121
41313313112102333
513104303413301
6531314355411
7100556125534
oct16767262277
95164037517
102010997951
11942179586
1248158bb67
13260828221
1415111cd8b
15bb8363a1
hex77dd64bf

2010997951 has 2 divisors, whose sum is σ = 2010997952. Its totient is φ = 2010997950.

The previous prime is 2010997913. The next prime is 2010997957. The reversal of 2010997951 is 1597990102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2010997951 is a prime.

It is a super-2 number, since 2×20109979512 = 8088225517852396802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2010997898 and 2010997907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010997957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005498975 + 1005498976.

It is an arithmetic number, because the mean of its divisors is an integer number (1005498976).

Almost surely, 22010997951 is an apocalyptic number.

2010997951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010997951 is an equidigital number, since it uses as much as digits as its factorization.

2010997951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 43.

The square root of 2010997951 is about 44844.1518037748. The cubic root of 2010997951 is about 1262.2262546178.

The spelling of 2010997951 in words is "two billion, ten million, nine hundred ninety-seven thousand, nine hundred fifty-one".