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2321213000 = 23532321213
BaseRepresentation
bin1000101001011010…
…1110011001001000
312222202202211121212
42022112232121020
514223212304000
61022155352252
7111343661561
oct21226563110
95882684555
102321213000
11a9129a757
12549452688
132acb91722
141803d1168
15d8bb1c35
hex8a5ae648

2321213000 has 32 divisors (see below), whose sum is σ = 5431640760. Its totient is φ = 928484800.

The previous prime is 2321212951. The next prime is 2321213023. The reversal of 2321213000 is 3121232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 128913316 + 2192299684 = 11354^2 + 46822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159607 + ... + 1161606.

Almost surely, 22321213000 is an apocalyptic number.

2321213000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321213000 is an abundant number, since it is smaller than the sum of its proper divisors (3110427760).

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

2321213000 is a wasteful number, since it uses less digits than its factorization.

2321213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321234 (or 2321220 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2321213000 is about 48178.9684405966. The cubic root of 2321213000 is about 1324.0518670943.

Adding to 2321213000 its reverse (3121232), we get a palindrome (2324334232).

The spelling of 2321213000 in words is "two billion, three hundred twenty-one million, two hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 2321213 4642426 9284852 11606065 18569704 23212130 46424260 58030325 92848520 116060650 232121300 290151625 464242600 580303250 1160606500 2321213000