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352121130413 = 1327086240801
BaseRepresentation
bin1010001111111000000…
…11100000110110101101
31020122212221000210021122
411013330003200312231
521232121002133123
6425432345510325
734303614136643
oct5077403406655
91218787023248
10352121130413
1112637421aa98
12582b07a23a5
1327288177290
141308545d193
15925d391bc8
hex51fc0e0dad

352121130413 has 4 divisors (see below), whose sum is σ = 379207371228. Its totient is φ = 325034889600.

The previous prime is 352121130409. The next prime is 352121130467. The reversal of 352121130413 is 314031121253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114408327049 + 237712803364 = 338243^2 + 487558^2 .

It is a cyclic number.

It is not a de Polignac number, because 352121130413 - 22 = 352121130409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352121130313) 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, 13543120388 + ... + 13543120413.

It is an arithmetic number, because the mean of its divisors is an integer number (94801842807).

Almost surely, 2352121130413 is an apocalyptic number.

It is an amenable number.

352121130413 is a deficient number, since it is larger than the sum of its proper divisors (27086240815).

352121130413 is a wasteful number, since it uses less digits than its factorization.

352121130413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27086240814.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 352121130413 its reverse (314031121253), we get a palindrome (666152251666).

The spelling of 352121130413 in words is "three hundred fifty-two billion, one hundred twenty-one million, one hundred thirty thousand, four hundred thirteen".

Divisors: 1 13 27086240801 352121130413