Search a number
-
+
2143528952448 = 27313231071491171
BaseRepresentation
bin11111001100010100010…
…010000010001010000000
321120220211012220002101210
4133030110102002022000
5240104421402434243
64320420144330120
7310602434320332
oct37142422021200
97526735802353
102143528952448
1175707a237154
122a751b613940
1312719828bbc0
1475a66a55452
153ab58929933
hex1f314482280

2143528952448 has 512 divisors, whose sum is σ = 6507019008000. Its totient is φ = 620250808320.

The previous prime is 2143528952429. The next prime is 2143528952497. The reversal of 2143528952448 is 8442598253412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1830510903 + ... + 1830512073.

It is an arithmetic number, because the mean of its divisors is an integer number (12709021500).

Almost surely, 22143528952448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143528952448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3253509504000).

2143528952448 is an abundant number, since it is smaller than the sum of its proper divisors (4363490055552).

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

2143528952448 is a wasteful number, since it uses less digits than its factorization.

2143528952448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1468 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 57.

The spelling of 2143528952448 in words is "two trillion, one hundred forty-three billion, five hundred twenty-eight million, nine hundred fifty-two thousand, four hundred forty-eight".