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2555624345 = 53182719937
BaseRepresentation
bin1001100001010011…
…1011101110011001
320121002212011112112
42120110323232121
520213214434340
61101331522105
7120221306561
oct23024735631
96532764475
102555624345
1110a164643a
125b3a59335
13319606871
141a35adda1
15ee567065
hex9853bb99

2555624345 has 16 divisors (see below), whose sum is σ = 3169663488. Its totient is φ = 1976056320.

The previous prime is 2555624327. The next prime is 2555624363. The reversal of 2555624345 is 5434265552.

It is an interprime number because it is at equal distance from previous prime (2555624327) and next prime (2555624363).

It is a de Polignac number, because none of the positive numbers 2k-2555624345 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 118217 + ... + 138153.

It is an arithmetic number, because the mean of its divisors is an integer number (198103968).

Almost surely, 22555624345 is an apocalyptic number.

It is an amenable number.

2555624345 is a deficient number, since it is larger than the sum of its proper divisors (614039143).

2555624345 is a wasteful number, since it uses less digits than its factorization.

2555624345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20800.

The product of its digits is 720000, while the sum is 41.

The square root of 2555624345 is about 50553.1833320118. The cubic root of 2555624345 is about 1367.2009102737.

Adding to 2555624345 its reverse (5434265552), we get a palindrome (7989889897).

The spelling of 2555624345 in words is "two billion, five hundred fifty-five million, six hundred twenty-four thousand, three hundred forty-five".

Divisors: 1 5 31 155 827 4135 19937 25637 99685 128185 618047 3090235 16487899 82439495 511124869 2555624345