Search a number
-
+
169189999002 = 23216357665303
BaseRepresentation
bin1001110110010010000…
…0101000000110011010
3121011201010211110122100
42131210200220012122
510233000114432002
6205420320504230
715136454156133
oct2354440500632
9534633743570
10169189999002
1165831386462
122895947b076
1312c541b205b
148290266c8a
15460369a11c
hex276482819a

169189999002 has 24 divisors (see below), whose sum is σ = 368827284384. Its totient is φ = 56050673544.

The previous prime is 169189998961. The next prime is 169189999007. The reversal of 169189999002 is 200999981961.

It is not an unprimeable number, because it can be changed into a prime (169189999007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28829718 + ... + 28835585.

It is an arithmetic number, because the mean of its divisors is an integer number (15367803516).

Almost surely, 2169189999002 is an apocalyptic number.

169189999002 is an abundant number, since it is smaller than the sum of its proper divisors (199637285382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169189999002 is a wasteful number, since it uses less digits than its factorization.

169189999002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57665474 (or 57665471 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 63.

The spelling of 169189999002 in words is "one hundred sixty-nine billion, one hundred eighty-nine million, nine hundred ninety-nine thousand, two".

Divisors: 1 2 3 6 9 18 163 326 489 978 1467 2934 57665303 115330606 172995909 345991818 518987727 1037975454 9399444389 18798888778 28198333167 56396666334 84594999501 169189999002