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2312210012 = 2275314910457
BaseRepresentation
bin1000100111010001…
…1000011001011100
312222010211102211212
42021310120121130
514213411210022
61021234403552
7111204314030
oct21164303134
95863742755
102312210012
11a87200672
125464305b8
132ab05b908
1417d12a1c0
15d7ed43e2
hex89d1865c

2312210012 has 48 divisors (see below), whose sum is σ = 4743748800. Its totient is φ = 965632512.

The previous prime is 2312210009. The next prime is 2312210027. The reversal of 2312210012 is 2100122132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 215888 + ... + 226344.

It is an arithmetic number, because the mean of its divisors is an integer number (98828100).

Almost surely, 22312210012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312210012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2371874400).

2312210012 is an abundant number, since it is smaller than the sum of its proper divisors (2431538788).

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

2312210012 is a wasteful number, since it uses less digits than its factorization.

2312210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670 (or 10668 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2312210012 is about 48085.4449079968. Note that the first 3 decimals coincide. The cubic root of 2312210012 is about 1322.3378397352.

Adding to 2312210012 its reverse (2100122132), we get a palindrome (4412332144).

The spelling of 2312210012 in words is "two billion, three hundred twelve million, two hundred ten thousand, twelve".

Divisors: 1 2 4 7 14 28 53 106 149 212 298 371 596 742 1043 1484 2086 4172 7897 10457 15794 20914 31588 41828 55279 73199 110558 146398 221116 292796 554221 1108442 1558093 2216884 3116186 3879547 6232372 7759094 10906651 15518188 21813302 43626604 82578929 165157858 330315716 578052503 1156105006 2312210012