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2321231012 = 223989145477
BaseRepresentation
bin1000101001011011…
…0010110010100100
312222202210202022222
42022112302302210
514223213343022
61022200011512
7111344065232
oct21226626244
95882722288
102321231012
11a91302241
12549460b98
132acb99999
141803d7952
15d8bb7242
hex8a5b2ca4

2321231012 has 12 divisors (see below), whose sum is σ = 4063200540. Its totient is φ = 1160316576.

The previous prime is 2321230999. The next prime is 2321231069. The reversal of 2321231012 is 2101321232.

It can be written as a sum of positive squares in 2 ways, for example, as 725548096 + 1595682916 = 26936^2 + 39946^2 .

It is a super-2 number, since 2×23212310122 = 10776226822141088288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56783 + ... + 88694.

It is an arithmetic number, because the mean of its divisors is an integer number (338600045).

Almost surely, 22321231012 is an apocalyptic number.

It is an amenable number.

2321231012 is a deficient number, since it is larger than the sum of its proper divisors (1741969528).

2321231012 is a wasteful number, since it uses less digits than its factorization.

2321231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149470 (or 149468 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2321231012 is about 48179.1553682710. The cubic root of 2321231012 is about 1324.0552918497.

Adding to 2321231012 its reverse (2101321232), we get a palindrome (4422552244).

The spelling of 2321231012 in words is "two billion, three hundred twenty-one million, two hundred thirty-one thousand, twelve".

Divisors: 1 2 4 3989 7978 15956 145477 290954 581908 580307753 1160615506 2321231012