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1055474400000 = 28355439781
BaseRepresentation
bin11110101101111110010…
…11010011101100000000
310201220100211021221010110
433112333023103230000
5114243102421300000
62124513411231320
7136153432241436
oct17267713235400
93656324257113
101055474400000
11377695867769
121506842a8540
13786b9257bb7
1439129c48d56
151c6c6a20850
hexf5bf2d3b00

1055474400000 has 216 divisors, whose sum is σ = 3511159677648. Its totient is φ = 281459200000.

The previous prime is 1055474399977. The next prime is 1055474400007. The reversal of 1055474400000 is 44745501.

It is a super-2 number, since 2×10554744000002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1055474400007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2180110 + ... + 2619890.

It is an arithmetic number, because the mean of its divisors is an integer number (16255368878).

Almost surely, 21055474400000 is an apocalyptic number.

1055474400000 is a gapful number since it is divisible by the number (10) 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 1055474400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755579838824).

1055474400000 is an abundant number, since it is smaller than the sum of its proper divisors (2455685277648).

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

1055474400000 is an frugal number, since it uses more digits than its factorization.

1055474400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439825 (or 439791 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The spelling of 1055474400000 in words is "one trillion, fifty-five billion, four hundred seventy-four million, four hundred thousand".