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472426245156220 = 225168409140261579
BaseRepresentation
bin110101101101010110100111…
…0100001100110110101111100
32021221201111201022012011221021
41223122231032201212311330
5443410212422224444340
64352433342040313524
7201336445522066045
oct15332551641466574
92257644638164837
10472426245156220
1112759093329a253
1244b9b4557728a4
131737b7b0605594
1484937a35d18cc
153993d56677e4a
hex1adab4e866d7c

472426245156220 has 24 divisors (see below), whose sum is σ = 992101012887600. Its totient is φ = 188969374622592.

The previous prime is 472426245156209. The next prime is 472426245156233. The reversal of 472426245156220 is 22651542624274.

It is a super-2 number, since 2×4724262451562202 (a number of 30 digits) contains 22 as substring.

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, 66762610 + ... + 73498969.

It is an arithmetic number, because the mean of its divisors is an integer number (41337542203650).

Almost surely, 2472426245156220 is an apocalyptic number.

It is an amenable number.

472426245156220 is an abundant number, since it is smaller than the sum of its proper divisors (519674767731380).

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

472426245156220 is a wasteful number, since it uses less digits than its factorization.

472426245156220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140429997 (or 140429995 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 52.

The spelling of 472426245156220 in words is "four hundred seventy-two trillion, four hundred twenty-six billion, two hundred forty-five million, one hundred fifty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 168409 336818 673636 842045 1684090 3368180 140261579 280523158 561046316 701307895 1402615790 2805231580 23621312257811 47242624515622 94485249031244 118106561289055 236213122578110 472426245156220