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2105151413 is a prime number
BaseRepresentation
bin111110101111010…
…0000111110110101
312102201012202211212
41331132200332311
513302404321123
6544520411205
7103111330451
oct17536407665
95381182755
102105151413
11990337462
124a9016b05
132771a2831
1415d82b661
15c4c33878
hex7d7a0fb5

2105151413 has 2 divisors, whose sum is σ = 2105151414. Its totient is φ = 2105151412.

The previous prime is 2105151407. The next prime is 2105151427. The reversal of 2105151413 is 3141515012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2085018244 + 20133169 = 45662^2 + 4487^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105151413 - 24 = 2105151397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105151313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052575706 + 1052575707.

It is an arithmetic number, because the mean of its divisors is an integer number (1052575707).

Almost surely, 22105151413 is an apocalyptic number.

It is an amenable number.

2105151413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105151413 is an equidigital number, since it uses as much as digits as its factorization.

2105151413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 2105151413 is about 45881.9290461942. The cubic root of 2105151413 is about 1281.6254198132.

Adding to 2105151413 its reverse (3141515012), we get a palindrome (5246666425).

The spelling of 2105151413 in words is "two billion, one hundred five million, one hundred fifty-one thousand, four hundred thirteen".