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2030551231 = 3754879763
BaseRepresentation
bin111100100000111…
…1100000010111111
312020111211200122011
41321001330002333
513124310114411
6533253432051
7101214254302
oct17101740277
95214750564
102030551231
11952214215
1248803b627
132648b3207
1415396cb39
15bd3e9c21
hex7907c0bf

2030551231 has 4 divisors (see below), whose sum is σ = 2085431032. Its totient is φ = 1975671432.

The previous prime is 2030551207. The next prime is 2030551291. The reversal of 2030551231 is 1321550302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2030551231 - 215 = 2030518463 is a prime.

It is a super-2 number, since 2×20305512312 = 8246276603431230722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030551291) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27439845 + ... + 27439918.

It is an arithmetic number, because the mean of its divisors is an integer number (521357758).

Almost surely, 22030551231 is an apocalyptic number.

2030551231 is a deficient number, since it is larger than the sum of its proper divisors (54879801).

2030551231 is an equidigital number, since it uses as much as digits as its factorization.

2030551231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54879800.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2030551231 is about 45061.6381304542. The cubic root of 2030551231 is about 1266.3040146560.

The spelling of 2030551231 in words is "two billion, thirty million, five hundred fifty-one thousand, two hundred thirty-one".

Divisors: 1 37 54879763 2030551231