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1800068434194 = 231717647729747
BaseRepresentation
bin11010001100011100011…
…100001000100100010010
320101002021212022222112110
4122030130130020210102
5213443020004343234
63454535013410150
7244023242143452
oct32143434104422
96332255288473
101800068434194
1163444a781278
12250a47339956
13100990486104
14631a3903d62
1531c55a751e9
hex1a31c708912

1800068434194 has 16 divisors (see below), whose sum is σ = 3811909625568. Its totient is φ = 564727351872.

The previous prime is 1800068434183. The next prime is 1800068434207. The reversal of 1800068434194 is 4914348600081.

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, 8823864772 + ... + 8823864975.

It is an arithmetic number, because the mean of its divisors is an integer number (238244351598).

Almost surely, 21800068434194 is an apocalyptic number.

1800068434194 is an abundant number, since it is smaller than the sum of its proper divisors (2011841191374).

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

1800068434194 is a wasteful number, since it uses less digits than its factorization.

1800068434194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17647729769.

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 1800068434194 in words is "one trillion, eight hundred billion, sixty-eight million, four hundred thirty-four thousand, one hundred ninety-four".

Divisors: 1 2 3 6 17 34 51 102 17647729747 35295459494 52943189241 105886378482 300011405699 600022811398 900034217097 1800068434194