Search a number
-
+
163369542740 = 2258168477137
BaseRepresentation
bin1001100000100110010…
…1010110010001010100
3120121200111121122200012
42120021211112101110
510134040100331430
6203015000135352
714542310125655
oct2301145262124
9517614548605
10163369542740
1163314936528
12277b4167558
131253738a5b1
147c9b23352c
1543b26ca695
hex2609956454

163369542740 has 12 divisors (see below), whose sum is σ = 343076039796. Its totient is φ = 65347817088.

The previous prime is 163369542737. The next prime is 163369542757. The reversal of 163369542740 is 47245963361.

It can be written as a sum of positive squares in 2 ways, for example, as 64580023876 + 98789518864 = 254126^2 + 314308^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4084238549 + ... + 4084238588.

It is an arithmetic number, because the mean of its divisors is an integer number (28589669983).

Almost surely, 2163369542740 is an apocalyptic number.

163369542740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163369542740 is an abundant number, since it is smaller than the sum of its proper divisors (179706497056).

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

163369542740 is a wasteful number, since it uses less digits than its factorization.

163369542740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8168477146 (or 8168477144 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 163369542740 in words is "one hundred sixty-three billion, three hundred sixty-nine million, five hundred forty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 8168477137 16336954274 32673908548 40842385685 81684771370 163369542740