Search a number
-
+
143688499046400 = 211352711371013251
BaseRepresentation
bin100000101010111100010101…
…111100011010100000000000
3200211202111010112221020101210
4200222330111330122200000
5122313143021223441100
61225333330222330120
742160102645625550
oct4052742574324000
9624674115836353
10143688499046400
1141868a4a83a990
1214147963729940
1362239c8a55a39
14276a7bbc95160
151192a03292c50
hex82af15f1a800

143688499046400 has 2304 divisors, whose sum is σ = 614442333173760. Its totient is φ = 28753920000000.

The previous prime is 143688499046371. The next prime is 143688499046461. The reversal of 143688499046400 is 4640994886341.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44198244775 + ... + 44198248025.

It is an arithmetic number, because the mean of its divisors is an integer number (266685040440).

Almost surely, 2143688499046400 is an apocalyptic number.

143688499046400 is a gapful number since it is divisible by the number (10) 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 143688499046400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307221166586880).

143688499046400 is an abundant number, since it is smaller than the sum of its proper divisors (470753834127360).

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

143688499046400 is a wasteful number, since it uses less digits than its factorization.

143688499046400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442 (or 3417 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 66.

The spelling of 143688499046400 in words is "one hundred forty-three trillion, six hundred eighty-eight billion, four hundred ninety-nine million, forty-six thousand, four hundred".