Search a number
-
+
55125125216 = 257308379823
BaseRepresentation
bin110011010101101101…
…101010100001100000
312021021202122111201022
4303111231222201200
51400344013001331
641154002425012
73661023555530
oct632555524140
9167252574638
1055125125216
1121418772527
12a825362168
1352767cb2b5
14294d2834c0
1516797b567b
hexcd5b6a860

55125125216 has 48 divisors (see below), whose sum is σ = 124073316864. Its totient is φ = 23617094784.

The previous prime is 55125125207. The next prime is 55125125261. The reversal of 55125125216 is 61252152155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650681 + ... + 730503.

It is an arithmetic number, because the mean of its divisors is an integer number (2584860768).

Almost surely, 255125125216 is an apocalyptic number.

55125125216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55125125216 is an abundant number, since it is smaller than the sum of its proper divisors (68948191648).

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

55125125216 is a wasteful number, since it uses less digits than its factorization.

55125125216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82923 (or 82915 counting only the distinct ones).

The product of its digits is 30000, while the sum is 35.

The spelling of 55125125216 in words is "fifty-five billion, one hundred twenty-five million, one hundred twenty-five thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 3083 6166 12332 21581 24664 43162 49328 79823 86324 98656 159646 172648 319292 345296 558761 638584 690592 1117522 1277168 2235044 2554336 4470088 8940176 17880352 246094309 492188618 984377236 1722660163 1968754472 3445320326 3937508944 6890640652 7875017888 13781281304 27562562608 55125125216