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25125264150380 = 2251256263207519
BaseRepresentation
bin1011011011001111011100…
…11100011100111101101100
310021221221200212011210022222
411231213232130130331230
511243123020110303010
6125234215332054512
75202145316342462
oct555475634347554
9107857625153288
1025125264150380
118007623664819
122999540164438
1311033c1049334
1462c0d812c832
152d8874791355
hex16d9ee71cf6c

25125264150380 has 12 divisors (see below), whose sum is σ = 52763054715840. Its totient is φ = 10050105660144.

The previous prime is 25125264150331. The next prime is 25125264150421. The reversal of 25125264150380 is 8305146252152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628131603740 + ... + 628131603779.

It is an arithmetic number, because the mean of its divisors is an integer number (4396921226320).

Almost surely, 225125264150380 is an apocalyptic number.

25125264150380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25125264150380 is an abundant number, since it is smaller than the sum of its proper divisors (27637790565460).

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

25125264150380 is a wasteful number, since it uses less digits than its factorization.

25125264150380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256263207528 (or 1256263207526 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 25125264150380 in words is "twenty-five trillion, one hundred twenty-five billion, two hundred sixty-four million, one hundred fifty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 1256263207519 2512526415038 5025052830076 6281316037595 12562632075190 25125264150380