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1449092071820 = 2251937310223593
BaseRepresentation
bin10101000101100100100…
…111100100000110001100
312010112100201101102210002
4111011210213210012030
5142220220032244240
63025412000103432
7206456565243611
oct25054447440614
95115321342702
101449092071820
11509613773478
121b4a16004b78
13a6858535693
14501ca518508
1527a62e5dd15
hex151649e418c

1449092071820 has 48 divisors (see below), whose sum is σ = 3211844291040. Its totient is φ = 547657376256.

The previous prime is 1449092071811. The next prime is 1449092071859. The reversal of 1449092071820 is 281702909441.

It is a super-2 number, since 2×14490920718202 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4970057 + ... + 5253536.

It is an arithmetic number, because the mean of its divisors is an integer number (66913422730).

Almost surely, 21449092071820 is an apocalyptic number.

1449092071820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449092071820 is an abundant number, since it is smaller than the sum of its proper divisors (1762752219220).

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

1449092071820 is a wasteful number, since it uses less digits than its factorization.

1449092071820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223994 (or 10223992 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 1449092071820 in words is "one trillion, four hundred forty-nine billion, ninety-two million, seventy-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 373 380 746 1492 1865 3730 7087 7460 14174 28348 35435 70870 141740 10223593 20447186 40894372 51117965 102235930 194248267 204471860 388496534 776993068 971241335 1942482670 3813400189 3884965340 7626800378 15253600756 19067000945 38134001890 72454603591 76268003780 144909207182 289818414364 362273017955 724546035910 1449092071820