Search a number
-
+
3124211316720 = 2435132343999173
BaseRepresentation
bin101101011101101001100…
…000010111011111110000
3102001200010122202221102220
4231131221200113133300
5402141341044113340
610351124243041040
7441500604012564
oct55355140273760
912050118687386
103124211316720
11aa4a7492743a
124255b0070180
131987c5355c50
14ab2d967d6a4
15564042b1ed0
hex2d7698177f0

3124211316720 has 320 divisors, whose sum is σ = 10908441815040. Its totient is φ = 733917229056.

The previous prime is 3124211316703. The next prime is 3124211316761. The reversal of 3124211316720 is 276131124213.

It is a super-3 number, since 3×31242113167203 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31453054 + ... + 31552226.

It is an arithmetic number, because the mean of its divisors is an integer number (34088880672).

Almost surely, 23124211316720 is an apocalyptic number.

3124211316720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3124211316720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5454220907520).

3124211316720 is an abundant number, since it is smaller than the sum of its proper divisors (7784230498320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3124211316720 is a wasteful number, since it uses less digits than its factorization.

3124211316720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99664 (or 99658 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 3124211316720 in words is "three trillion, one hundred twenty-four billion, two hundred eleven million, three hundred sixteen thousand, seven hundred twenty".