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2555143431 = 36731265549
BaseRepresentation
bin1001100001001100…
…0110010100000111
320121001221201211220
42120103012110013
520213104042211
61101313331423
7120214234521
oct23023062407
96531851756
102555143431
1110a1348095
125b3866b73
133194989b9
141a34c6a11
15ee4be806
hex984c6507

2555143431 has 8 divisors (see below), whose sum is σ = 3411922800. Its totient is φ = 1700896512.

The previous prime is 2555143429. The next prime is 2555143433. The reversal of 2555143431 is 1343415552.

It is an interprime number because it is at equal distance from previous prime (2555143429) and next prime (2555143433).

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

It is not a de Polignac number, because 2555143431 - 21 = 2555143429 is a prime.

It is a super-2 number, since 2×25551434312 = 13057515905964903522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2555143392 and 2555143401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555143433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630756 + ... + 634793.

It is an arithmetic number, because the mean of its divisors is an integer number (426490350).

Almost surely, 22555143431 is an apocalyptic number.

2555143431 is a deficient number, since it is larger than the sum of its proper divisors (856779369).

2555143431 is a wasteful number, since it uses less digits than its factorization.

2555143431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266225.

The product of its digits is 36000, while the sum is 33.

The square root of 2555143431 is about 50548.4265927239. The cubic root of 2555143431 is about 1367.1151455424.

Adding to 2555143431 its reverse (1343415552), we get a palindrome (3898558983).

The spelling of 2555143431 in words is "two billion, five hundred fifty-five million, one hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 3 673 2019 1265549 3796647 851714477 2555143431