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18734584400230 = 256167458394529
BaseRepresentation
bin1000100001001111111000…
…01111111000100101100110
32110100000020101202121122211
410100213330033320211212
54423421412101301410
6103502314350114034
73642346315630336
oct420477417704546
973300211677584
1018734584400230
115a733245366a6
122126a7a4ab91a
13a5b88229935a
1448aa89d170c6
152274e229a68a
hex1109fc3f8966

18734584400230 has 32 divisors (see below), whose sum is σ = 34786644092640. Its totient is φ = 7260969323520.

The previous prime is 18734584400219. The next prime is 18734584400261. The reversal of 18734584400230 is 3200448543781.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229156395 + ... + 229238134.

It is an arithmetic number, because the mean of its divisors is an integer number (1087082627895).

Almost surely, 218734584400230 is an apocalyptic number.

18734584400230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18734584400230 is a deficient number, since it is larger than the sum of its proper divisors (16052059692410).

18734584400230 is a wasteful number, since it uses less digits than its factorization.

18734584400230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458394664.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 18734584400230 in words is "eighteen trillion, seven hundred thirty-four billion, five hundred eighty-four million, four hundred thousand, two hundred thirty".

Divisors: 1 2 5 10 61 67 122 134 305 335 610 670 4087 8174 20435 40870 458394529 916789058 2291972645 4583945290 27962066269 30712433443 55924132538 61424866886 139810331345 153562167215 279620662690 307124334430 1873458440023 3746916880046 9367292200115 18734584400230