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2112430355 = 5719109151193
BaseRepresentation
bin111110111101001…
…0010000100010011
312110012220120200022
41331322102010103
513311240232410
6545340414055
7103230235040
oct17572220423
95405816608
102112430355
11994459212
124ab54732b
132788509b9
141607a41c7
15c56c0455
hex7de92113

2112430355 has 64 divisors (see below), whose sum is σ = 3113932800. Its totient is φ = 1343692800.

The previous prime is 2112430351. The next prime is 2112430363. The reversal of 2112430355 is 5530342112.

It is a happy number.

It is not a de Polignac number, because 2112430355 - 22 = 2112430351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112430351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10945139 + ... + 10945331.

It is an arithmetic number, because the mean of its divisors is an integer number (48655200).

Almost surely, 22112430355 is an apocalyptic number.

2112430355 is a deficient number, since it is larger than the sum of its proper divisors (1001502445).

2112430355 is a wasteful number, since it uses less digits than its factorization.

2112430355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2112430355 is about 45961.1831331614. The cubic root of 2112430355 is about 1283.1008711832.

Adding to 2112430355 its reverse (5530342112), we get a palindrome (7642772467).

The spelling of 2112430355 in words is "two billion, one hundred twelve million, four hundred thirty thousand, three hundred fifty-five".

Divisors: 1 5 7 19 35 95 109 133 151 193 545 665 755 763 965 1057 1351 2071 2869 3667 3815 5285 6755 10355 14345 14497 16459 18335 20083 21037 25669 29143 72485 82295 100415 105185 115213 128345 145715 147259 204001 312721 399703 553717 576065 736295 1020005 1563605 1998515 2189047 2768585 2797921 3176587 3876019 10945235 13989605 15882935 19380095 22236109 60355153 111180545 301775765 422486071 2112430355