Search a number
-
+
313845204551 = 25112231022387
BaseRepresentation
bin1001001000100101010…
…00011100011001000111
31010000002102010021212212
410210102220130121013
520120223333021201
6400102315534035
731450243136234
oct4442250343107
91100072107785
10313845204551
1111111248840a
12509aa15a31b
132379834cc38
1411293c4278b
15826ce16abb
hex4912a1c647

313845204551 has 8 divisors (see below), whose sum is σ = 315353533824. Its totient is φ = 312338923000.

The previous prime is 313845204469. The next prime is 313845204553. The reversal of 313845204551 is 155402548313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313845204551 is a prime.

It is a super-2 number, since 2×3138452045512 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313845204499 and 313845204508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313845204553) 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, 204221 + ... + 818166.

It is an arithmetic number, because the mean of its divisors is an integer number (39419191728).

Almost surely, 2313845204551 is an apocalyptic number.

313845204551 is a deficient number, since it is larger than the sum of its proper divisors (1508329273).

313845204551 is a wasteful number, since it uses less digits than its factorization.

313845204551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023861.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 313845204551 in words is "three hundred thirteen billion, eight hundred forty-five million, two hundred four thousand, five hundred fifty-one".

Divisors: 1 251 1223 306973 1022387 256619137 1250379301 313845204551