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3123000430 = 251129978997
BaseRepresentation
bin1011101000100101…
…0011010001101110
322001122110212012121
42322021103101232
522343442003210
61233520423154
7140251031344
oct27211232156
98048425177
103123000430
1113629414a0
12731a77aba
133aa01c064
14218aa3994
1513428d6da
hexba25346e

3123000430 has 32 divisors (see below), whose sum is σ = 6343907040. Its totient is φ = 1096475520.

The previous prime is 3123000407. The next prime is 3123000451. The reversal of 3123000430 is 340003213.

3123000430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486309 + ... + 492688.

It is an arithmetic number, because the mean of its divisors is an integer number (198247095).

Almost surely, 23123000430 is an apocalyptic number.

3123000430 is an abundant number, since it is smaller than the sum of its proper divisors (3220906610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123000430 is a wasteful number, since it uses less digits than its factorization.

3123000430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979044.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3123000430 is about 55883.8118778596. The cubic root of 3123000430 is about 1461.6969744058.

Adding to 3123000430 its reverse (340003213), we get a palindrome (3463003643).

The spelling of 3123000430 in words is "three billion, one hundred twenty-three million, four hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 978997 1957994 4894985 9789970 10768967 21537934 28390913 53844835 56781826 107689670 141954565 283909130 312300043 624600086 1561500215 3123000430