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2650001390240 = 2551710925033571
BaseRepresentation
bin100110100100000000011…
…001000011101010100000
3100101100010011010201010112
4212210000121003222200
5321404200323441430
65345221022350452
7362312335106021
oct46440031035240
910340104121115
102650001390240
1193194a776996
1236970812b428
13162b8132a309
1492391706c48
1548dec8b7195
hex26900643aa0

2650001390240 has 192 divisors, whose sum is σ = 6694262910720. Its totient is φ = 987823226880.

The previous prime is 2650001390237. The next prime is 2650001390297. The reversal of 2650001390240 is 420931000562.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 2650001390197 and 2650001390206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742087655 + ... + 742091225.

It is an arithmetic number, because the mean of its divisors is an integer number (34865952660).

Almost surely, 22650001390240 is an apocalyptic number.

2650001390240 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 2650001390240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3347131455360).

2650001390240 is an abundant number, since it is smaller than the sum of its proper divisors (4044261520480).

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

2650001390240 is a wasteful number, since it uses less digits than its factorization.

2650001390240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215 (or 6207 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 2650001390240 in words is "two trillion, six hundred fifty billion, one million, three hundred ninety thousand, two hundred forty".