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290749917158 = 22321532935741
BaseRepresentation
bin1000011101100100000…
…10111010011111100110
31000210110212021010120022
410032302002322133212
514230423434322113
6341322455435142
730002024342651
oct4166202723746
91023425233508
10290749917158
11102340826138
1248423685ab2
132155760a2cc
141010282c898
15786a583908
hex43b20ba7e6

290749917158 has 16 divisors (see below), whose sum is σ = 455298355296. Its totient is φ = 138989674560.

The previous prime is 290749917091. The next prime is 290749917163. The reversal of 290749917158 is 851719947092.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 290749917158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368833 + ... + 1566908.

It is an arithmetic number, because the mean of its divisors is an integer number (28456147206).

Almost surely, 2290749917158 is an apocalyptic number.

290749917158 is a deficient number, since it is larger than the sum of its proper divisors (164548438138).

290749917158 is a wasteful number, since it uses less digits than its factorization.

290749917158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937919.

The product of its (nonzero) digits is 11430720, while the sum is 62.

The spelling of 290749917158 in words is "two hundred ninety billion, seven hundred forty-nine million, nine hundred seventeen thousand, one hundred fifty-eight".

Divisors: 1 2 23 46 2153 4306 49519 99038 2935741 5871482 67522043 135044086 6320650373 12641300746 145374958579 290749917158