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2641030400000 = 211551937587
BaseRepresentation
bin100110011011101001101…
…011011100100000000000
3100100110221221122012000202
4212123221223130200000
5321232312240300000
65341134515104332
7361544124000356
oct46335153344000
910313857565022
102641030400000
1192906689a173
12367a238a20a8
13162081896375
1491b800c37d6
1548a7501add5
hex266e9adc800

2641030400000 has 576 divisors, whose sum is σ = 7147876881600. Its totient is φ = 972103680000.

The previous prime is 2641030399991. The next prime is 2641030400017. The reversal of 2641030400000 is 40301462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4499199707 + ... + 4499200293.

It is an arithmetic number, because the mean of its divisors is an integer number (12409508475).

Almost surely, 22641030400000 is an apocalyptic number.

2641030400000 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 2641030400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3573938440800).

2641030400000 is an abundant number, since it is smaller than the sum of its proper divisors (4506846481600).

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

2641030400000 is an frugal number, since it uses more digits than its factorization.

2641030400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2641030400000 its reverse (40301462), we get a palindrome (2641070701462).

The spelling of 2641030400000 in words is "two trillion, six hundred forty-one billion, thirty million, four hundred thousand".