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8861492361 = 32953830787
BaseRepresentation
bin10000100000010111…
…11010010010001001
3211212120110110020210
420100023322102021
5121122020223421
64023152311333
7432411304461
oct102013722211
924776413223
108861492361
113838099407
121873842549
13ab2b76307
14600c7cba1
1536ce6c576
hex2102fa489

8861492361 has 4 divisors (see below), whose sum is σ = 11815323152. Its totient is φ = 5907661572.

The previous prime is 8861492359. The next prime is 8861492363. The reversal of 8861492361 is 1632941688.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8861492359) and next prime (8861492363).

It is not a de Polignac number, because 8861492361 - 21 = 8861492359 is a prime.

It is a super-2 number, since 2×88614923612 (a number of 21 digits) contains 22 as substring.

It is the 94136-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8861492361.

It is not an unprimeable number, because it can be changed into a prime (8861492363) by changing a digit.

It is a nontrivial repunit in base 94135.

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, 1476915391 + ... + 1476915396.

It is an arithmetic number, because the mean of its divisors is an integer number (2953830788).

Almost surely, 28861492361 is an apocalyptic number.

It is an amenable number.

8861492361 is a deficient number, since it is larger than the sum of its proper divisors (2953830791).

8861492361 is a wasteful number, since it uses less digits than its factorization.

8861492361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953830790.

The product of its digits is 497664, while the sum is 48.

The square root of 8861492361 is about 94135.5000039836. The cubic root of 8861492361 is about 2069.3579625684.

The spelling of 8861492361 in words is "eight billion, eight hundred sixty-one million, four hundred ninety-two thousand, three hundred sixty-one".

Divisors: 1 3 2953830787 8861492361