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2551153123 = 19235837879
BaseRepresentation
bin1001100000001111…
…1000000111100011
320120210110000011201
42120003320013203
520211043344443
61101052022031
7120135305131
oct23003700743
96523400151
102551153123
11109a072112
125b2461917
133186cc67c
141a2b68751
15ede8234d
hex980f81e3

2551153123 has 8 divisors (see below), whose sum is σ = 2802182400. Its totient is φ = 2311799688.

The previous prime is 2551153109. The next prime is 2551153133. The reversal of 2551153123 is 3213511552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2551153123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2551153091 and 2551153100.

It is not an unprimeable number, because it can be changed into a prime (2551153133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2918503 + ... + 2919376.

It is an arithmetic number, because the mean of its divisors is an integer number (350272800).

Almost surely, 22551153123 is an apocalyptic number.

2551153123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2551153123 is a deficient number, since it is larger than the sum of its proper divisors (251029277).

2551153123 is a wasteful number, since it uses less digits than its factorization.

2551153123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837921.

The product of its digits is 4500, while the sum is 28.

The square root of 2551153123 is about 50508.9410203778. The cubic root of 2551153123 is about 1366.4031107944.

Adding to 2551153123 its reverse (3213511552), we get a palindrome (5764664675).

The spelling of 2551153123 in words is "two billion, five hundred fifty-one million, one hundred fifty-three thousand, one hundred twenty-three".

Divisors: 1 19 23 437 5837879 110919701 134271217 2551153123