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2312204312 = 23111011571657
BaseRepresentation
bin1000100111010001…
…0111000000011000
312222010211011000202
42021310113000120
514213411014222
61021234321332
7111204261305
oct21164270030
95863734022
102312204312
11a871a7360
12546429248
132ab059142
1417d1280ac
15d7ed2892
hex89d17018

2312204312 has 64 divisors (see below), whose sum is σ = 4809659040. Its totient is φ = 1033344000.

The previous prime is 2312204281. The next prime is 2312204317. The reversal of 2312204312 is 2134022132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312204317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394588 + ... + 1396244.

Almost surely, 22312204312 is an apocalyptic number.

2312204312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312204312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404829520).

2312204312 is an abundant number, since it is smaller than the sum of its proper divisors (2497454728).

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

2312204312 is a wasteful number, since it uses less digits than its factorization.

2312204312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2312204312 is about 48085.3856384661. The cubic root of 2312204312 is about 1322.3367531367.

Adding to 2312204312 its reverse (2134022132), we get a palindrome (4446226444).

It can be divided in two parts, 231220 and 4312, that added together give a palindrome (235532).

The spelling of 2312204312 in words is "two billion, three hundred twelve million, two hundred four thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 101 157 202 314 404 628 808 1111 1256 1657 1727 2222 3314 3454 4444 6628 6908 8888 13256 13816 15857 18227 31714 36454 63428 72908 126856 145816 167357 174427 260149 334714 348854 520298 669428 697708 1040596 1338856 1395416 1840927 2081192 2861639 3681854 5723278 7363708 11446556 14727416 22893112 26275049 52550098 105100196 210200392 289025539 578051078 1156102156 2312204312