Search a number
-
+
344921145491 = 1395327840919
BaseRepresentation
bin1010000010011101110…
…01110000000010010011
31012222022010222122202102
411001032321300002103
521122344303123431
6422242105111015
733630316235156
oct5011671600223
91188263878672
10344921145491
11123309aa382a
1256a2148846b
13266ab5c0b80
14129a1125c9d
158e8b222dcb
hex504ee70093

344921145491 has 8 divisors (see below), whose sum is σ = 371843327520. Its totient is φ = 318054647232.

The previous prime is 344921145419. The next prime is 344921145497. The reversal of 344921145491 is 194541129443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344921145491 - 238 = 70043238547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344921145497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13908071 + ... + 13932848.

It is an arithmetic number, because the mean of its divisors is an integer number (46480415940).

Almost surely, 2344921145491 is an apocalyptic number.

344921145491 is a deficient number, since it is larger than the sum of its proper divisors (26922182029).

344921145491 is a wasteful number, since it uses less digits than its factorization.

344921145491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27841885.

The product of its digits is 622080, while the sum is 47.

The spelling of 344921145491 in words is "three hundred forty-four billion, nine hundred twenty-one million, one hundred forty-five thousand, four hundred ninety-one".

Divisors: 1 13 953 12389 27840919 361931947 26532395807 344921145491