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2428171691428 = 2272315124969887
BaseRepresentation
bin100011010101011010010…
…011111010010110100100
322121010112110102102110201
4203111122103322112210
5304240343423111203
65055253042200244
7340300233555160
oct43253223722644
98533473372421
102428171691428
1185686668799a
12332719953084
13147c8b5455c2
148574a335ca0
1543267c53e1d
hex2355a4fa5a4

2428171691428 has 48 divisors (see below), whose sum is σ = 5101048479744. Its totient is φ = 988807485600.

The previous prime is 2428171691417. The next prime is 2428171691479. The reversal of 2428171691428 is 8241961718242.

2428171691428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12387700 + ... + 12582187.

It is an arithmetic number, because the mean of its divisors is an integer number (106271843328).

Almost surely, 22428171691428 is an apocalyptic number.

2428171691428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2428171691428 is an abundant number, since it is smaller than the sum of its proper divisors (2672876788316).

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

2428171691428 is a wasteful number, since it uses less digits than its factorization.

2428171691428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24970072 (or 24970070 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 55.

The spelling of 2428171691428 in words is "two trillion, four hundred twenty-eight billion, one hundred seventy-one million, six hundred ninety-one thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 23 28 46 92 151 161 302 322 604 644 1057 2114 3473 4228 6946 13892 24311 48622 97244 24969887 49939774 99879548 174789209 349578418 574307401 699156836 1148614802 2297229604 3770452937 4020151807 7540905874 8040303614 15081811748 16080607228 26393170559 52786341118 86720417551 105572682236 173440835102 346881670204 607042922857 1214085845714 2428171691428