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215340324425301 = 371780108141767
BaseRepresentation
bin110000111101100111010011…
…100010110000111001010101
31001020110100000110102111220110
4300331213103202300321111
5211211113441023102201
62041553551312353233
763233552661430035
oct6075472342607125
91036410013374813
10215340324425301
1162683356255749
122019a492b45819
13932067566003a
143b26754d398c5
1519d67690d06d6
hexc3d9d38b0e55

215340324425301 has 4 divisors (see below), whose sum is σ = 287120432567072. Its totient is φ = 143560216283532.

The previous prime is 215340324425299. The next prime is 215340324425309. The reversal of 215340324425301 is 103524423043512.

It is a happy number.

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 215340324425301 - 21 = 215340324425299 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 215340324425301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215340324425309) 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, 35890054070881 + ... + 35890054070886.

It is an arithmetic number, because the mean of its divisors is an integer number (71780108141768).

Almost surely, 2215340324425301 is an apocalyptic number.

It is an amenable number.

215340324425301 is a deficient number, since it is larger than the sum of its proper divisors (71780108141771).

215340324425301 is an equidigital number, since it uses as much as digits as its factorization.

215340324425301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71780108141770.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 215340324425301 its reverse (103524423043512), we get a palindrome (318864747468813).

The spelling of 215340324425301 in words is "two hundred fifteen trillion, three hundred forty billion, three hundred twenty-four million, four hundred twenty-five thousand, three hundred one".

Divisors: 1 3 71780108141767 215340324425301