Search a number
-
+
163201308180 = 22354363256321
BaseRepresentation
bin1001011111111110001…
…1100101011000010100
3120121020210001110020120
42113333203211120110
510133214013330210
6202550150231540
714535165142131
oct2277743453024
9517223043216
10163201308180
116323897a3a9
12277679555b0
131250b575a11
147c82b5d588
1543a2a48270
hex25ff8e5614

163201308180 has 48 divisors (see below), whose sum is σ = 467590732224. Its totient is φ = 42508247040.

The previous prime is 163201308121. The next prime is 163201308181. The reversal of 163201308180 is 81803102361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163201308181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31625581 + ... + 31630740.

It is an arithmetic number, because the mean of its divisors is an integer number (9741473588).

Almost surely, 2163201308180 is an apocalyptic number.

163201308180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163201308180 is an abundant number, since it is smaller than the sum of its proper divisors (304389424044).

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

163201308180 is a wasteful number, since it uses less digits than its factorization.

163201308180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63256376 (or 63256374 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 163201308180 in words is "one hundred sixty-three billion, two hundred one million, three hundred eight thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 2580 63256321 126512642 189768963 253025284 316281605 379537926 632563210 759075852 948844815 1265126420 1897689630 2720021803 3795379260 5440043606 8160065409 10880087212 13600109015 16320130818 27200218030 32640261636 40800327045 54400436060 81600654090 163201308180