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2140152452240 = 24511177310119403
BaseRepresentation
bin11111001001001011000…
…001101101010010010000
321120121002220102002212112
4133021023001231102100
5240031013011432430
64315101130244452
7310422654456365
oct37111301552220
97517086362775
102140152452240
117556a72a1610
122a6938886728
13126a7a8a349a
147582644446c
153aa0c2b5195
hex1f24b06d490

2140152452240 has 320 divisors, whose sum is σ = 5884232884992. Its totient is φ = 715235328000.

The previous prime is 2140152452201. The next prime is 2140152452261. The reversal of 2140152452240 is 422542510412.

It is a junction number, because it is equal to n+sod(n) for n = 2140152452197 and 2140152452206.

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, 110290379 + ... + 110309781.

Almost surely, 22140152452240 is an apocalyptic number.

2140152452240 is a gapful number since it is divisible by the number (20) 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 2140152452240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2942116442496).

2140152452240 is an abundant number, since it is smaller than the sum of its proper divisors (3744080432752).

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

2140152452240 is a wasteful number, since it uses less digits than its factorization.

2140152452240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19618 (or 19612 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 2140152452240 its reverse (422542510412), we get a palindrome (2562694962652).

The spelling of 2140152452240 in words is "two trillion, one hundred forty billion, one hundred fifty-two million, four hundred fifty-two thousand, two hundred forty".