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1304010401440 = 25516015090609
BaseRepresentation
bin10010111110011101000…
…100111010011010100000
311121122212201121221202211
4102332131010322122200
5132331103130321230
62435015404251504
7163132410346015
oct22763504723240
94548781557684
101304010401440
1146303397014a
12190886540b94
1395c76c1b346
144718604970c
1523dc105242a
hex12f9d13a6a0

1304010401440 has 48 divisors (see below), whose sum is σ = 3082649429160. Its totient is φ = 521278259200.

The previous prime is 1304010401437. The next prime is 1304010401483. The reversal of 1304010401440 is 441040104031.

It can be written as a sum of positive squares in 4 ways, for example, as 1088458197264 + 215552204176 = 1043292^2 + 464276^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2289145 + ... + 2801464.

Almost surely, 21304010401440 is an apocalyptic number.

1304010401440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304010401440 is an abundant number, since it is smaller than the sum of its proper divisors (1778639027720).

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

1304010401440 is a wasteful number, since it uses less digits than its factorization.

1304010401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092225 (or 5092217 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1304010401440 its reverse (441040104031), we get a palindrome (1745050505471).

The spelling of 1304010401440 in words is "one trillion, three hundred four billion, ten million, four hundred one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1601 3202 6404 8005 12808 16010 25616 32020 51232 64040 128080 256160 5090609 10181218 20362436 25453045 40724872 50906090 81449744 101812180 162899488 203624360 407248720 814497440 8150065009 16300130018 32600260036 40750325045 65200520072 81500650090 130401040144 163001300180 260802080288 326002600360 652005200720 1304010401440