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212432240001 = 370810746667
BaseRepresentation
bin1100010111010111110…
…0101011110110000001
3202022022202201220122210
43011311330223312001
511440030123140001
6241331240052333
721230161150452
oct3056574536601
9668282656583
10212432240001
1182101509113
12352071640a9
1317055ba29c7
14a3d3297129
1557d4b25dd6
hex3175f2bd81

212432240001 has 4 divisors (see below), whose sum is σ = 283242986672. Its totient is φ = 141621493332.

The previous prime is 212432239961. The next prime is 212432240017. The reversal of 212432240001 is 100042234212.

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.

It is not a de Polignac number, because 212432240001 - 29 = 212432239489 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 212432240001.

It is not an unprimeable number, because it can be changed into a prime (212432240081) 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, 35405373331 + ... + 35405373336.

It is an arithmetic number, because the mean of its divisors is an integer number (70810746668).

Almost surely, 2212432240001 is an apocalyptic number.

It is an amenable number.

212432240001 is a deficient number, since it is larger than the sum of its proper divisors (70810746671).

212432240001 is an equidigital number, since it uses as much as digits as its factorization.

212432240001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70810746670.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 212432240001 its reverse (100042234212), we get a palindrome (312474474213).

The spelling of 212432240001 in words is "two hundred twelve billion, four hundred thirty-two million, two hundred forty thousand, one".

Divisors: 1 3 70810746667 212432240001