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1230345034 = 210126323159
BaseRepresentation
bin100100101010101…
…1001001101001010
310011202010000002121
41021111121031022
510004432020114
6322030321454
742326521522
oct11125311512
93152100077
101230345034
11581552486
122a405928a
13167b8a519
14b958c682
1573031a24
hex4955934a

1230345034 has 16 divisors (see below), whose sum is σ = 1870957440. Its totient is φ = 606739600.

The previous prime is 1230344971. The next prime is 1230345037. The reversal of 1230345034 is 4305430321.

It is a super-2 number, since 2×12303450342 = 3027497805376922312, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1230345037) 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, 41547 + ... + 64705.

It is an arithmetic number, because the mean of its divisors is an integer number (116934840).

Almost surely, 21230345034 is an apocalyptic number.

1230345034 is a deficient number, since it is larger than the sum of its proper divisors (640612406).

1230345034 is a wasteful number, since it uses less digits than its factorization.

1230345034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23525.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1230345034 is about 35076.2745171148. The cubic root of 1230345034 is about 1071.5414456000.

Adding to 1230345034 its reverse (4305430321), we get a palindrome (5535775355).

The spelling of 1230345034 in words is "one billion, two hundred thirty million, three hundred forty-five thousand, thirty-four".

Divisors: 1 2 101 202 263 526 23159 26563 46318 53126 2339059 4678118 6090817 12181634 615172517 1230345034