Search a number
-
+
18634734629042 = 271996688705897
BaseRepresentation
bin1000011110010101111001…
…01111001111000010110010
32102222110111200210200121012
410033022330233033002302
54420302414031112132
6103344402351030522
73632213044603610
oct417127457170262
972873450720535
1018634734629042
115a34a45989744
12210b652b0b442
13a5232b9389cc
14485cd6c006b0
15224aeb3380b2
hex10f2bcbcf0b2

18634734629042 has 16 divisors (see below), whose sum is σ = 32105788310400. Its totient is φ = 7946182604448.

The previous prime is 18634734629011. The next prime is 18634734629087. The reversal of 18634734629042 is 24092643743681.

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, 3344350163 + ... + 3344355734.

It is an arithmetic number, because the mean of its divisors is an integer number (2006611769400).

Almost surely, 218634734629042 is an apocalyptic number.

18634734629042 is a deficient number, since it is larger than the sum of its proper divisors (13471053681358).

18634734629042 is a wasteful number, since it uses less digits than its factorization.

18634734629042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688706105.

The product of its (nonzero) digits is 41803776, while the sum is 59.

The spelling of 18634734629042 in words is "eighteen trillion, six hundred thirty-four billion, seven hundred thirty-four million, six hundred twenty-nine thousand, forty-two".

Divisors: 1 2 7 14 199 398 1393 2786 6688705897 13377411794 46820941279 93641882558 1331052473503 2662104947006 9317367314521 18634734629042