Search a number
-
+
212753075017 = 730393296431
BaseRepresentation
bin1100011000100100010…
…0100100101101001001
3202100011010110000120011
43012021010210231021
511441204241400032
6241423140431521
721241135204510
oct3061104445511
9670133400504
10212753075017
118225662321a
12352966a85a1
13170a74b7002
14a423b31677
155802d9d247
hex3189124b49

212753075017 has 4 divisors (see below), whose sum is σ = 243146371456. Its totient is φ = 182359778580.

The previous prime is 212753075011. The next prime is 212753075023. The reversal of 212753075017 is 710570357212.

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 an interprime number because it is at equal distance from previous prime (212753075011) and next prime (212753075023).

It is not a de Polignac number, because 212753075017 - 27 = 212753074889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212753075011) 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, 15196648209 + ... + 15196648222.

It is an arithmetic number, because the mean of its divisors is an integer number (60786592864).

Almost surely, 2212753075017 is an apocalyptic number.

It is an amenable number.

212753075017 is a deficient number, since it is larger than the sum of its proper divisors (30393296439).

212753075017 is an equidigital number, since it uses as much as digits as its factorization.

212753075017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30393296438.

The product of its (nonzero) digits is 102900, while the sum is 40.

The spelling of 212753075017 in words is "two hundred twelve billion, seven hundred fifty-three million, seventy-five thousand, seventeen".

Divisors: 1 7 30393296431 212753075017