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2101351297 is a prime number
BaseRepresentation
bin111110101000000…
…0001001110000001
312102110001201001211
41331100001032001
513300421220142
6544303130121
7103034122423
oct17520011601
95373051054
102101351297
11989181371
124a78a3941
13276471c46
1415d11c813
15c4732917
hex7d401381

2101351297 has 2 divisors, whose sum is σ = 2101351298. Its totient is φ = 2101351296.

The previous prime is 2101351253. The next prime is 2101351309. The reversal of 2101351297 is 7921531012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1397563456 + 703787841 = 37384^2 + 26529^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101351297 - 211 = 2101349249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101351207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050675648 + 1050675649.

It is an arithmetic number, because the mean of its divisors is an integer number (1050675649).

Almost surely, 22101351297 is an apocalyptic number.

It is an amenable number.

2101351297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101351297 is an equidigital number, since it uses as much as digits as its factorization.

2101351297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 2101351297 is about 45840.4984375170. The cubic root of 2101351297 is about 1280.8537795512.

The spelling of 2101351297 in words is "two billion, one hundred one million, three hundred fifty-one thousand, two hundred ninety-seven".