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2555415231 = 317409122509
BaseRepresentation
bin1001100001010000…
…1000101010111111
320121002110112200120
42120110020222333
520213141241411
61101323230023
7120216446115
oct23024105277
96532415616
102555415231
1110a1513316
125b3978313
13319562625
141a3557ab5
15ee525106
hex98508abf

2555415231 has 16 divisors (see below), whose sum is σ = 3616495200. Its totient is φ = 1599464448.

The previous prime is 2555415229. The next prime is 2555415251. The reversal of 2555415231 is 1325145552.

It is not a de Polignac number, because 2555415231 - 21 = 2555415229 is a prime.

It is a super-2 number, since 2×25554152312 = 13060294005653566722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2555415192 and 2555415201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555415221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40396 + ... + 82113.

It is an arithmetic number, because the mean of its divisors is an integer number (226030950).

Almost surely, 22555415231 is an apocalyptic number.

2555415231 is a deficient number, since it is larger than the sum of its proper divisors (1061079969).

2555415231 is a wasteful number, since it uses less digits than its factorization.

2555415231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122938.

The product of its digits is 30000, while the sum is 33.

The square root of 2555415231 is about 50551.1150322127. The cubic root of 2555415231 is about 1367.1636188449.

The spelling of 2555415231 in words is "two billion, five hundred fifty-five million, four hundred fifteen thousand, two hundred thirty-one".