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2801852101 is a prime number
BaseRepresentation
bin1010011100000000…
…1101111011000101
321020021011211112001
42213000031323011
521214233231401
61142005225301
7126301231006
oct24700157305
97207154461
102801852101
111208632a54
12662402231
13358628269
141c81871ad
15115ea3601
hexa700dec5

2801852101 has 2 divisors, whose sum is σ = 2801852102. Its totient is φ = 2801852100.

The previous prime is 2801852099. The next prime is 2801852113. The reversal of 2801852101 is 1012581082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2462739876 + 339112225 = 49626^2 + 18415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2801852101 - 21 = 2801852099 is a prime.

It is a super-2 number, since 2×28018521012 = 15700750391756228402, which contains 22 as substring.

Together with 2801852099, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2801852101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2801852171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400926050 + 1400926051.

It is an arithmetic number, because the mean of its divisors is an integer number (1400926051).

Almost surely, 22801852101 is an apocalyptic number.

It is an amenable number.

2801852101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2801852101 is an equidigital number, since it uses as much as digits as its factorization.

2801852101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 2801852101 is about 52932.5240376841. The cubic root of 2801852101 is about 1409.7704471798.

The spelling of 2801852101 in words is "two billion, eight hundred one million, eight hundred fifty-two thousand, one hundred one".