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2031123434 = 21079491231
BaseRepresentation
bin111100100010000…
…0111101111101010
312020112220202112212
41321010013233222
513124431422214
6533314005122
7101222156444
oct17104075752
95215822485
102031123434
1195257510a
124882767a2
13264a537b2
14153a7b494
15bd4ae53e
hex79107bea

2031123434 has 8 divisors (see below), whose sum is σ = 3075159168. Its totient is φ = 1006070380.

The previous prime is 2031123401. The next prime is 2031123443. The reversal of 2031123434 is 4343211302.

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

It is a super-3 number, since 3×20311234343 (a number of 29 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 4745402 + ... + 4745829.

It is an arithmetic number, because the mean of its divisors is an integer number (384394896).

Almost surely, 22031123434 is an apocalyptic number.

2031123434 is a deficient number, since it is larger than the sum of its proper divisors (1044035734).

2031123434 is a wasteful number, since it uses less digits than its factorization.

2031123434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9491340.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2031123434 is about 45067.9867977259. The cubic root of 2031123434 is about 1266.4229503246.

Adding to 2031123434 its reverse (4343211302), we get a palindrome (6374334736).

The spelling of 2031123434 in words is "two billion, thirty-one million, one hundred twenty-three thousand, four hundred thirty-four".

Divisors: 1 2 107 214 9491231 18982462 1015561717 2031123434