Search a number
-
+
161161102 = 2257313543
BaseRepresentation
bin10011001101100…
…01111110001110
3102020020211110201
421212301332032
5312224123402
623554124114
73664563304
oct1146617616
9366224421
10161161102
1182a757a3
1245b8063a
13275090cb
1417592274
15e236687
hex99b1f8e

161161102 has 8 divisors (see below), whose sum is σ = 242683056. Its totient is φ = 80266752.

The previous prime is 161161081. The next prime is 161161103. The reversal of 161161102 is 201161161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 161161102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161161103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156258 + ... + 157285.

It is an arithmetic number, because the mean of its divisors is an integer number (30335382).

Almost surely, 2161161102 is an apocalyptic number.

161161102 is a deficient number, since it is larger than the sum of its proper divisors (81521954).

161161102 is a wasteful number, since it uses less digits than its factorization.

161161102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313802.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 161161102 is about 12694.9242612944. The cubic root of 161161102 is about 544.1935743314.

The spelling of 161161102 in words is "one hundred sixty-one million, one hundred sixty-one thousand, one hundred two".

Divisors: 1 2 257 514 313543 627086 80580551 161161102