Search a number
-
+
25055112456420 = 2235970034304869
BaseRepresentation
bin1011011001001100110010…
…00100111110100011100100
310021201020121212101111110120
411230212121010332203210
511241000332242101140
6125142054301521540
75164113020646414
oct554463104764344
9107636555344416
1025055112456420
117a8a8a4883842
122987a225732b0
1310c98c135ba57
1462896130a644
152d6b1abb91d0
hex16c99913e8e4

25055112456420 has 48 divisors (see below), whose sum is σ = 70155054392640. Its totient is φ = 6681292891776.

The previous prime is 25055112456403. The next prime is 25055112456433. The reversal of 25055112456420 is 2465421155052.

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, 3667746 + ... + 7972614.

It is an arithmetic number, because the mean of its divisors is an integer number (1461563633180).

Almost surely, 225055112456420 is an apocalyptic number.

25055112456420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25055112456420 is an abundant number, since it is smaller than the sum of its proper divisors (45099941936220).

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

25055112456420 is a wasteful number, since it uses less digits than its factorization.

25055112456420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401884 (or 4401882 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 25055112456420 in words is "twenty-five trillion, fifty-five billion, one hundred twelve million, four hundred fifty-six thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97003 194006 291009 388012 485015 582018 970030 1164036 1455045 1940060 2910090 4304869 5820180 8609738 12914607 17219476 21524345 25829214 43048690 51658428 64573035 86097380 129146070 258292140 417585207607 835170415214 1252755622821 1670340830428 2087926038035 2505511245642 4175852076070 5011022491284 6263778114105 8351704152140 12527556228210 25055112456420