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2040545137 is a prime number
BaseRepresentation
bin111100110100000…
…0011111101110001
312021012122102200211
41321220003331301
513134334421022
6534251544121
7101365230121
oct17150037561
95235572624
102040545137
1195791a844
1248b45b041
132669a2077
14155010c81
15be220e77
hex79a03f71

2040545137 has 2 divisors, whose sum is σ = 2040545138. Its totient is φ = 2040545136.

The previous prime is 2040545131. The next prime is 2040545141. The reversal of 2040545137 is 7315450402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1240730176 + 799814961 = 35224^2 + 28281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2040545137 is a prime.

It is a super-2 number, since 2×20405451372 = 8327648912268697538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2040545099 and 2040545108.

It is not a weakly prime, because it can be changed into another prime (2040545131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020272568 + 1020272569.

It is an arithmetic number, because the mean of its divisors is an integer number (1020272569).

Almost surely, 22040545137 is an apocalyptic number.

It is an amenable number.

2040545137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040545137 is an equidigital number, since it uses as much as digits as its factorization.

2040545137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2040545137 is about 45172.3935274632. The cubic root of 2040545137 is about 1268.3781013187.

Adding to 2040545137 its reverse (7315450402), we get a palindrome (9355995539).

The spelling of 2040545137 in words is "two billion, forty million, five hundred forty-five thousand, one hundred thirty-seven".