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1442211430340 = 225373816123689
BaseRepresentation
bin10100111111001010011…
…111111111111111000100
312002212121012020122002202
4110333022133333333010
5142112122111232330
63022313124054032
7206124225614432
oct24771237777704
95085535218082
101442211430340
1150670283270a
121b3615834318
13a5cccb906a5
144db3678bd52
15277add70445
hex14fca7fffc4

1442211430340 has 48 divisors (see below), whose sum is σ = 3037264008240. Its totient is φ = 575243182080.

The previous prime is 1442211430333. The next prime is 1442211430343. The reversal of 1442211430340 is 430341122441.

It can be written as a sum of positive squares in 8 ways, for example, as 250254064516 + 1191957365824 = 500254^2 + 1091768^2 .

It is not an unprimeable number, because it can be changed into a prime (1442211430343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60869216 + ... + 60892904.

It is an arithmetic number, because the mean of its divisors is an integer number (63276333505).

Almost surely, 21442211430340 is an apocalyptic number.

1442211430340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442211430340 is an abundant number, since it is smaller than the sum of its proper divisors (1595052577900).

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

1442211430340 is a wasteful number, since it uses less digits than its factorization.

1442211430340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32232 (or 32230 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1442211430340 its reverse (430341122441), we get a palindrome (1872552552781).

The spelling of 1442211430340 in words is "one trillion, four hundred forty-two billion, two hundred eleven million, four hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 373 746 1492 1865 3730 7460 8161 16322 23689 32644 40805 47378 81610 94756 118445 163220 236890 473780 3044053 6088106 8835997 12176212 15220265 17671994 30440530 35343988 44179985 60881060 88359970 176719940 193325929 386651858 773303716 966629645 1933259290 3866518580 72110571517 144221143034 288442286068 360552857585 721105715170 1442211430340