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2312213201 = 4289953899
BaseRepresentation
bin1000100111010001…
…1001001011010001
312222010211121012222
42021310121023101
514213411310301
61021234430425
7111204326234
oct21164311321
95863747188
102312213201
11a87203001
12546432415
132ab0601bc
1417d12b41b
15d7ed531b
hex89d192d1

2312213201 has 4 divisors (see below), whose sum is σ = 2312310000. Its totient is φ = 2312116404.

The previous prime is 2312213179. The next prime is 2312213221. The reversal of 2312213201 is 1023122132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2312213201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312213201.

It is not an unprimeable number, because it can be changed into a prime (2312213221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15950 + ... + 69848.

It is an arithmetic number, because the mean of its divisors is an integer number (578077500).

Almost surely, 22312213201 is an apocalyptic number.

It is an amenable number.

2312213201 is a deficient number, since it is larger than the sum of its proper divisors (96799).

2312213201 is an equidigital number, since it uses as much as digits as its factorization.

2312213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96798.

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

The square root of 2312213201 is about 48085.4780677077. The cubic root of 2312213201 is about 1322.3384476577.

Adding to 2312213201 its reverse (1023122132), we get a palindrome (3335335333).

The spelling of 2312213201 in words is "two billion, three hundred twelve million, two hundred thirteen thousand, two hundred one".

Divisors: 1 42899 53899 2312213201