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2505052775040 = 27354361749177
BaseRepresentation
bin100100011101000000110…
…001111110001010000000
322212110222102202010111220
4210131000301332022000
5312020322002300130
65154445542435040
7345661354155114
oct44350061761200
98773872663456
102505052775040
11886428a91a22
123455b5132a80
131522c145b25a
1489360b91744
15452674de410
hex24740c7e280

2505052775040 has 256 divisors, whose sum is σ = 8183958837120. Its totient is φ = 651408113664.

The previous prime is 2505052775033. The next prime is 2505052775041. The reversal of 2505052775040 is 405772505052.

It is a junction number, because it is equal to n+sod(n) for n = 2505052774983 and 2505052775001.

It is not an unprimeable number, because it can be changed into a prime (2505052775041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50914932 + ... + 50964108.

Almost surely, 22505052775040 is an apocalyptic number.

2505052775040 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 2505052775040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4091979418560).

2505052775040 is an abundant number, since it is smaller than the sum of its proper divisors (5678906062080).

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

2505052775040 is a wasteful number, since it uses less digits than its factorization.

2505052775040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49859 (or 49847 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 42.

The spelling of 2505052775040 in words is "two trillion, five hundred five billion, fifty-two million, seven hundred seventy-five thousand, forty".