Search a number
-
+
313721283051 = 321141213732
BaseRepresentation
bin1001001000010110011…
…11101110000111101011
31002222202202221102112200
410210023033232013223
520120000122024201
6400042131511243
731444206623121
oct4441317560753
91088682842480
10313721283051
11111059538350
1250974758523
13237787820c7
14112815c5911
1582620d9386
hex490b3ee1eb

313721283051 has 54 divisors (see below), whose sum is σ = 507069368364. Its totient is φ = 185361590400.

The previous prime is 313721282981. The next prime is 313721283053. The reversal of 313721283051 is 150382127313.

It is a happy number.

313721283051 is a `hidden beast` number, since 3 + 1 + 372 + 1 + 283 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 313721283051 - 27 = 313721282923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313721282997 and 313721283015.

It is not an unprimeable number, because it can be changed into a prime (313721283053) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 228492601 + ... + 228493973.

Almost surely, 2313721283051 is an apocalyptic number.

313721283051 is a deficient number, since it is larger than the sum of its proper divisors (193348085313).

313721283051 is an equidigital number, since it uses as much as digits as its factorization.

313721283051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 313721283051 in words is "three hundred thirteen billion, seven hundred twenty-one million, two hundred eighty-three thousand, fifty-one".

Divisors: 1 3 9 11 33 41 99 123 369 451 1353 1373 1681 4059 4119 5043 12357 15103 15129 18491 45309 55473 56293 135927 166419 168879 506637 619223 1857669 1885129 2308013 5573007 5655387 6924039 16966161 20736419 20772117 25388143 62209257 76164429 77290289 186627771 228493287 231870867 695612601 850193179 2550579537 3168901849 7651738611 9506705547 28520116641 34857920339 104573761017 313721283051