Search a number
-
+
312121240141214 = 2724192507777161
BaseRepresentation
bin100011011110111110110001…
…1101001010011110110011110
31111221010111110212202000002002
41012331331203221103312132
5311402243244434004324
63023454303535202302
7122513005203630050
oct10675754351236636
91457114425660062
10312121240141214
11904a6969091939
122b00b22b976392
1310520ba2bb911a
145710a6a3398d0
152613eca54e3ae
hex11bdf63a53d9e

312121240141214 has 16 divisors (see below), whose sum is σ = 537285169756896. Its totient is φ = 133211199110400.

The previous prime is 312121240141187. The next prime is 312121240141223. The reversal of 312121240141214 is 412141042121213.

It is a happy number.

It is a super-2 number, since 2×3121212401412142 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46253885207 + ... + 46253891954.

It is an arithmetic number, because the mean of its divisors is an integer number (33580323109806).

Almost surely, 2312121240141214 is an apocalyptic number.

312121240141214 is a deficient number, since it is larger than the sum of its proper divisors (225163929615682).

312121240141214 is a wasteful number, since it uses less digits than its factorization.

312121240141214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92507777411.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 312121240141214 its reverse (412141042121213), we get a palindrome (724262282262427).

The spelling of 312121240141214 in words is "three hundred twelve trillion, one hundred twenty-one billion, two hundred forty million, one hundred forty-one thousand, two hundred fourteen".

Divisors: 1 2 7 14 241 482 1687 3374 92507777161 185015554322 647554440127 1295108880254 22294374295801 44588748591602 156060620070607 312121240141214