Search a number
-
+
169021102 = 284510551
BaseRepresentation
bin10100001001100…
…00111010101110
3102210001011100211
422010300322232
5321232133402
624434413034
74121440615
oct1204607256
9383034324
10169021102
1187454068
124873117a
132902b8b3
141863a87c
15ec8a4d7
hexa130eae

169021102 has 4 divisors (see below), whose sum is σ = 253531656. Its totient is φ = 84510550.

The previous prime is 169021091. The next prime is 169021163. The reversal of 169021102 is 201120961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201120961 = 683294467.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 42255274 + ... + 42255277.

It is an arithmetic number, because the mean of its divisors is an integer number (63382914).

Almost surely, 2169021102 is an apocalyptic number.

169021102 is a deficient number, since it is larger than the sum of its proper divisors (84510554).

169021102 is an equidigital number, since it uses as much as digits as its factorization.

169021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84510553.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 169021102 is about 13000.8115900508. The cubic root of 169021102 is about 552.9004918907.

The spelling of 169021102 in words is "one hundred sixty-nine million, twenty-one thousand, one hundred two".

Divisors: 1 2 84510551 169021102