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20848182825 = 352277975771
BaseRepresentation
bin10011011010101001…
…100000011000101001
31222210221112102100110
4103122221200120221
5320144113322300
613324424524533
71335431426061
oct233251403051
958727472313
1020848182825
11892928a368
12405a020749
131c7332aa72
14101abd43a1
1582045e550
hex4daa60629

20848182825 has 12 divisors (see below), whose sum is σ = 34468995728. Its totient is φ = 11119030800.

The previous prime is 20848182821. The next prime is 20848182827. The reversal of 20848182825 is 52828184802.

It is a happy number.

It is not a de Polignac number, because 20848182825 - 22 = 20848182821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20848182821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138987811 + ... + 138987960.

Almost surely, 220848182825 is an apocalyptic number.

20848182825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20848182825 is a deficient number, since it is larger than the sum of its proper divisors (13620812903).

20848182825 is a wasteful number, since it uses less digits than its factorization.

20848182825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277975784 (or 277975779 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 48.

The spelling of 20848182825 in words is "twenty billion, eight hundred forty-eight million, one hundred eighty-two thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 277975771 833927313 1389878855 4169636565 6949394275 20848182825