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99991303 is a prime number
BaseRepresentation
bin1011111010110…
…11111100000111
320222011002021121
411331123330013
5201044210203
613531054411
72322624556
oct575337407
9228132247
1099991303
1151495a45
12295a1407
131793c869
14d3cbd9d
158ba20bd
hex5f5bf07

99991303 has 2 divisors, whose sum is σ = 99991304. Its totient is φ = 99991302.

The previous prime is 99991277. The next prime is 99991343. The reversal of 99991303 is 30319999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99991303 - 25 = 99991271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99991303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99991343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49995651 + 49995652.

It is an arithmetic number, because the mean of its divisors is an integer number (49995652).

Almost surely, 299991303 is an apocalyptic number.

99991303 is a deficient number, since it is larger than the sum of its proper divisors (1).

99991303 is an equidigital number, since it uses as much as digits as its factorization.

99991303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59049, while the sum is 43.

The square root of 99991303 is about 9999.5651405449. The cubic root of 99991303 is about 464.1454270051.

The spelling of 99991303 in words is "ninety-nine million, nine hundred ninety-one thousand, three hundred three".