Search a number
-
+
99101269 = 673147253
BaseRepresentation
bin1011110100000…
…10101001010101
320220110212101101
411322002221111
5200332220034
613500030101
72312226661
oct572025125
9226425341
1099101269
1150a38283
1229232331
13176ba707
14d2398a1
158a78514
hex5e82a55

99101269 has 4 divisors (see below), whose sum is σ = 99249196. Its totient is φ = 98953344.

The previous prime is 99101267. The next prime is 99101287. The reversal of 99101269 is 96210199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96210199 = 131734429.

It can be written as a sum of positive squares in 2 ways, for example, as 20566225 + 78535044 = 4535^2 + 8862^2 .

It is a cyclic number.

It is not a de Polignac number, because 99101269 - 21 = 99101267 is a prime.

It is a super-2 number, since 2×991012692 = 19642123034820722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99101263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72954 + ... + 74299.

It is an arithmetic number, because the mean of its divisors is an integer number (24812299).

Almost surely, 299101269 is an apocalyptic number.

99101269 is the 5748-th hex number.

It is an amenable number.

99101269 is a deficient number, since it is larger than the sum of its proper divisors (147927).

99101269 is a wasteful number, since it uses less digits than its factorization.

99101269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147926.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 99101269 is about 9954.9620290587. The cubic root of 99101269 is about 462.7641835210.

The spelling of 99101269 in words is "ninety-nine million, one hundred one thousand, two hundred sixty-nine".

Divisors: 1 673 147253 99101269