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2201869381 is a prime number
BaseRepresentation
bin1000001100111101…
…1101110001000101
312200110012112221211
42003033131301011
514002134310011
61002253411421
7105364403155
oct20317356105
95613175854
102201869381
11a2a997068
12515499b71
132912374ba
1416c606765
15cd48ab21
hex833ddc45

2201869381 has 2 divisors, whose sum is σ = 2201869382. Its totient is φ = 2201869380.

The previous prime is 2201869367. The next prime is 2201869409. The reversal of 2201869381 is 1839681022.

2201869381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2063430625 + 138438756 = 45425^2 + 11766^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201869381 - 25 = 2201869349 is a prime.

It is a super-2 number, since 2×22018693812 = 9696457541970646322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201869081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100934690 + 1100934691.

It is an arithmetic number, because the mean of its divisors is an integer number (1100934691).

Almost surely, 22201869381 is an apocalyptic number.

It is an amenable number.

2201869381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201869381 is an equidigital number, since it uses as much as digits as its factorization.

2201869381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2201869381 is about 46924.0810352211. The cubic root of 2201869381 is about 1300.9597214914.

The spelling of 2201869381 in words is "two billion, two hundred one million, eight hundred sixty-nine thousand, three hundred eighty-one".